397595940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 192

約数和(自身を含む): 1347010560

約数和(自身を除く): 949414620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 79, 84, 92, 105, 115, 138, 140, 158, 161, 210, 230, 237, 276, 316, 322, 345, 395, 420, 460, 474, 483, 521, 553, 644, 690, 790, 805, 948, 966, 1042, 1106, 1185, 1380, 1563, 1580, 1610, 1659, 1817, 1932, 2084, 2212, 2370, 2415, 2605, 2765, 3126, 3220, 3318, 3634, 3647, 4740, 4830, 5210, 5451, 5530, 6252, 6636, 7268, 7294, 7815, 8295, 9085, 9660, 10420, 10902, 10941, 11060, 11983, 12719, 14588, 15630, 16590, 18170, 18235, 21804, 21882, 23966, 25438, 27255, 31260, 33180, 35949, 36340, 36470, 38157, 41159, 43764, 47932, 50876, 54510, 54705, 59915, 63595, 71898, 72940, 76314, 82318, 83881, 109020, 109410, 119830, 123477, 127190, 143796, 152628, 164636, 167762, 179745, 190785, 205795, 218820, 239660, 246954, 251643, 254380, 288113, 335524, 359490, 381570, 411590, 419405, 493908, 503286, 576226, 617385, 718980, 763140, 823180, 838810, 864339, 946657, 1006572, 1152452, 1234770, 1258215, 1440565, 1677620, 1728678, 1893314, 2469540, 2516430, 2839971, 2881130, 3457356, 3786628, 4321695, 4733285, 5032860, 5679942, 5762260, 6626599, 8643390, 9466570, 11359884, 13253198, 14199855, 17286780, 18933140, 19879797, 26506396, 28399710, 33132995, 39759594, 56799420, 66265990, 79519188, 99398985, 132531980, 198797970, 397595940]

約数ペア:

[(1, 397595940), (2, 198797970), (3, 132531980), (4, 99398985), (5, 79519188), (6, 66265990), (7, 56799420), (10, 39759594), (12, 33132995), (14, 28399710), (15, 26506396), (20, 19879797), (21, 18933140), (23, 17286780), (28, 14199855), (30, 13253198), (35, 11359884), (42, 9466570), (46, 8643390), (60, 6626599), (69, 5762260), (70, 5679942), (79, 5032860), (84, 4733285), (92, 4321695), (105, 3786628), (115, 3457356), (138, 2881130), (140, 2839971), (158, 2516430), (161, 2469540), (210, 1893314), (230, 1728678), (237, 1677620), (276, 1440565), (316, 1258215), (322, 1234770), (345, 1152452), (395, 1006572), (420, 946657), (460, 864339), (474, 838810), (483, 823180), (521, 763140), (553, 718980), (644, 617385), (690, 576226), (790, 503286), (805, 493908), (948, 419405), (966, 411590), (1042, 381570), (1106, 359490), (1185, 335524), (1380, 288113), (1563, 254380), (1580, 251643), (1610, 246954), (1659, 239660), (1817, 218820), (1932, 205795), (2084, 190785), (2212, 179745), (2370, 167762), (2415, 164636), (2605, 152628), (2765, 143796), (3126, 127190), (3220, 123477), (3318, 119830), (3634, 109410), (3647, 109020), (4740, 83881), (4830, 82318), (5210, 76314), (5451, 72940), (5530, 71898), (6252, 63595), (6636, 59915), (7268, 54705), (7294, 54510), (7815, 50876), (8295, 47932), (9085, 43764), (9660, 41159), (10420, 38157), (10902, 36470), (10941, 36340), (11060, 35949), (11983, 33180), (12719, 31260), (14588, 27255), (15630, 25438), (16590, 23966), (18170, 21882), (18235, 21804)]