About the Number

212911920

212911919 ← → 212911921

2進数表記:1100101100001100011100110000

漢数字表記:二億千二百九十一万千九百二十

素因数分解:

2 4 × 3 2 × 5 1 × 13 1 × 23 2 × 43 1

素因数の和:121
約数の個数: 360
約数和(自身を含む): 823686864
約数和(自身を除く): 610774944

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 43, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 86, 90, 92, 104, 115, 117, 120, 129, 130, 138, 144, 156, 172, 180, 184, 195, 207, 208, 215, 230, 234, 240, 258, 260, 276, 299, 312, 344, 345, 360, 368, 387, 390, 414, 430, 460, 468, 516, 520, 529, 552, 559, 585, 598, 624, 645, 688, 690, 720, 774, 780, 828, 860, 897, 920, 936, 989, 1032, 1035, 1040, 1058, 1104, 1118, 1170, 1196, 1290, 1380, 1495, 1548, 1560, 1587, 1656, 1677, 1720, 1794, 1840, 1872, 1935, 1978, 2064, 2070, 2116, 2236, 2340, 2392, 2580, 2645, 2691, 2760, 2795, 2967, 2990, 3096, 3120, 3174, 3312, 3354, 3440, 3588, 3870, 3956, 4140, 4232, 4472, 4485, 4680, 4761, 4784, 4945, 5031, 5160, 5290, 5382, 5520, 5590, 5934, 5980, 6192, 6348, 6708, 6877, 7176, 7740, 7912, 7935, 8280, 8385, 8464, 8901, 8944, 8970, 9360, 9522, 9890, 10062, 10320, 10580, 10764, 11180, 11868, 11960, 12696, 12857, 13416, 13455, 13754, 14352, 14835, 15480, 15824, 15870, 16560, 16770, 17802, 17940, 19044, 19780, 20124, 20631, 21160, 21528, 22360, 22747, 23736, 23805, 23920, 25155, 25392, 25714, 26832, 26910, 27508, 29670, 30960, 31740, 33540, 34385, 35604, 35880, 38088, 38571, 39560, 40248, 41262, 42320, 43056, 44505, 44720, 45494, 47472, 47610, 50310, 51428, 53820, 55016, 59340, 61893, 63480, 64285, 67080, 68241, 68770, 71208, 71760, 76176, 77142, 79120, 80496, 82524, 89010, 90988, 95220, 100620, 102856, 103155, 107640, 110032, 113735, 115713, 118680, 123786, 126960, 128570, 134160, 136482, 137540, 142416, 154284, 165048, 178020, 181976, 190440, 192855, 201240, 204723, 205712, 206310, 215280, 227470, 231426, 237360, 247572, 257140, 272964, 275080, 295711, 308568, 309465, 330096, 341205, 356040, 363952, 380880, 385710, 402480, 409446, 412620, 454940, 462852, 495144, 514280, 545928, 550160, 578565, 591422, 617136, 618930, 682410, 712080, 771420, 818892, 825240, 887133, 909880, 925704, 990288, 1023615, 1028560, 1091856, 1157130, 1182844, 1237860, 1364820, 1478555, 1542840, 1637784, 1650480, 1774266, 1819760, 1851408, 2047230, 2314260, 2365688, 2475720, 2661399, 2729640, 2957110, 3085680, 3275568, 3548532, 4094460, 4435665, 4628520, 4731376, 4951440, 5322798, 5459280, 5914220, 7097064, 8188920, 8871330, 9257040, 10645596, 11828440, 13306995, 14194128, 16377840, 17742660, 21291192, 23656880, 26613990, 35485320, 42582384, 53227980, 70970640, 106455960, 212911920]

約数ペア:
[(1, 212911920), (2, 106455960), (3, 70970640), (4, 53227980), (5, 42582384), (6, 35485320), (8, 26613990), (9, 23656880), (10, 21291192), (12, 17742660), (13, 16377840), (15, 14194128), (16, 13306995), (18, 11828440), (20, 10645596), (23, 9257040), (24, 8871330), (26, 8188920), (30, 7097064), (36, 5914220), (39, 5459280), (40, 5322798), (43, 4951440), (45, 4731376), (46, 4628520), (48, 4435665), (52, 4094460), (60, 3548532), (65, 3275568), (69, 3085680), (72, 2957110), (78, 2729640), (80, 2661399), (86, 2475720), (90, 2365688), (92, 2314260), (104, 2047230), (115, 1851408), (117, 1819760), (120, 1774266), (129, 1650480), (130, 1637784), (138, 1542840), (144, 1478555), (156, 1364820), (172, 1237860), (180, 1182844), (184, 1157130), (195, 1091856), (207, 1028560), (208, 1023615), (215, 990288), (230, 925704), (234, 909880), (240, 887133), (258, 825240), (260, 818892), (276, 771420), (299, 712080), (312, 682410), (344, 618930), (345, 617136), (360, 591422), (368, 578565), (387, 550160), (390, 545928), (414, 514280), (430, 495144), (460, 462852), (468, 454940), (516, 412620), (520, 409446), (529, 402480), (552, 385710), (559, 380880), (585, 363952), (598, 356040), (624, 341205), (645, 330096), (688, 309465), (690, 308568), (720, 295711), (774, 275080), (780, 272964), (828, 257140), (860, 247572), (897, 237360), (920, 231426), (936, 227470), (989, 215280), (1032, 206310), (1035, 205712), (1040, 204723), (1058, 201240), (1104, 192855), (1118, 190440), (1170, 181976), (1196, 178020), (1290, 165048), (1380, 154284), (1495, 142416), (1548, 137540), (1560, 136482), (1587, 134160), (1656, 128570), (1677, 126960), (1720, 123786), (1794, 118680), (1840, 115713), (1872, 113735), (1935, 110032), (1978, 107640), (2064, 103155), (2070, 102856), (2116, 100620), (2236, 95220), (2340, 90988), (2392, 89010), (2580, 82524), (2645, 80496), (2691, 79120), (2760, 77142), (2795, 76176), (2967, 71760), (2990, 71208), (3096, 68770), (3120, 68241), (3174, 67080), (3312, 64285), (3354, 63480), (3440, 61893), (3588, 59340), (3870, 55016), (3956, 53820), (4140, 51428), (4232, 50310), (4472, 47610), (4485, 47472), (4680, 45494), (4761, 44720), (4784, 44505), (4945, 43056), (5031, 42320), (5160, 41262), (5290, 40248), (5382, 39560), (5520, 38571), (5590, 38088), (5934, 35880), (5980, 35604), (6192, 34385), (6348, 33540), (6708, 31740), (6877, 30960), (7176, 29670), (7740, 27508), (7912, 26910), (7935, 26832), (8280, 25714), (8385, 25392), (8464, 25155), (8901, 23920), (8944, 23805), (8970, 23736), (9360, 22747), (9522, 22360), (9890, 21528), (10062, 21160), (10320, 20631), (10580, 20124), (10764, 19780), (11180, 19044), (11868, 17940), (11960, 17802), (12696, 16770), (12857, 16560), (13416, 15870), (13455, 15824), (13754, 15480), (14352, 14835)]

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