197311520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 192

約数和(自身を含む): 579591936

約数和(自身を除く): 382280416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 43, 56, 68, 70, 80, 85, 86, 112, 119, 136, 140, 160, 170, 172, 215, 224, 238, 241, 272, 280, 301, 340, 344, 430, 476, 482, 544, 560, 595, 602, 680, 688, 731, 860, 952, 964, 1120, 1190, 1204, 1205, 1360, 1376, 1462, 1505, 1687, 1720, 1904, 1928, 2380, 2408, 2410, 2720, 2924, 3010, 3374, 3440, 3655, 3808, 3856, 4097, 4760, 4816, 4820, 5117, 5848, 6020, 6748, 6880, 7310, 7712, 8194, 8435, 9520, 9632, 9640, 10234, 10363, 11696, 12040, 13496, 14620, 16388, 16870, 19040, 19280, 20468, 20485, 20726, 23392, 24080, 25585, 26992, 28679, 29240, 32776, 33740, 38560, 40936, 40970, 41452, 48160, 51170, 51815, 53984, 57358, 58480, 65552, 67480, 72541, 81872, 81940, 82904, 102340, 103630, 114716, 116960, 131104, 134960, 143395, 145082, 163744, 163880, 165808, 176171, 204680, 207260, 229432, 269920, 286790, 290164, 327760, 331616, 352342, 362705, 409360, 414520, 458864, 573580, 580328, 655520, 704684, 725410, 818720, 829040, 880855, 917728, 1147160, 1160656, 1233197, 1409368, 1450820, 1658080, 1761710, 2294320, 2321312, 2466394, 2818736, 2901640, 3523420, 4588640, 4932788, 5637472, 5803280, 6165985, 7046840, 9865576, 11606560, 12331970, 14093680, 19731152, 24663940, 28187360, 39462304, 49327880, 98655760, 197311520]

約数ペア:

[(1, 197311520), (2, 98655760), (4, 49327880), (5, 39462304), (7, 28187360), (8, 24663940), (10, 19731152), (14, 14093680), (16, 12331970), (17, 11606560), (20, 9865576), (28, 7046840), (32, 6165985), (34, 5803280), (35, 5637472), (40, 4932788), (43, 4588640), (56, 3523420), (68, 2901640), (70, 2818736), (80, 2466394), (85, 2321312), (86, 2294320), (112, 1761710), (119, 1658080), (136, 1450820), (140, 1409368), (160, 1233197), (170, 1160656), (172, 1147160), (215, 917728), (224, 880855), (238, 829040), (241, 818720), (272, 725410), (280, 704684), (301, 655520), (340, 580328), (344, 573580), (430, 458864), (476, 414520), (482, 409360), (544, 362705), (560, 352342), (595, 331616), (602, 327760), (680, 290164), (688, 286790), (731, 269920), (860, 229432), (952, 207260), (964, 204680), (1120, 176171), (1190, 165808), (1204, 163880), (1205, 163744), (1360, 145082), (1376, 143395), (1462, 134960), (1505, 131104), (1687, 116960), (1720, 114716), (1904, 103630), (1928, 102340), (2380, 82904), (2408, 81940), (2410, 81872), (2720, 72541), (2924, 67480), (3010, 65552), (3374, 58480), (3440, 57358), (3655, 53984), (3808, 51815), (3856, 51170), (4097, 48160), (4760, 41452), (4816, 40970), (4820, 40936), (5117, 38560), (5848, 33740), (6020, 32776), (6748, 29240), (6880, 28679), (7310, 26992), (7712, 25585), (8194, 24080), (8435, 23392), (9520, 20726), (9632, 20485), (9640, 20468), (10234, 19280), (10363, 19040), (11696, 16870), (12040, 16388), (13496, 14620)]