788485840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 2021120640

約数和(自身を除く): 1232634800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 97, 136, 139, 170, 172, 194, 215, 272, 278, 340, 344, 388, 430, 485, 556, 680, 688, 695, 731, 776, 860, 970, 1112, 1360, 1390, 1462, 1552, 1649, 1720, 1940, 2224, 2363, 2780, 2924, 3298, 3440, 3655, 3880, 4171, 4726, 5560, 5848, 5977, 6596, 7310, 7760, 8245, 8342, 9452, 11120, 11696, 11815, 11954, 13192, 13483, 14620, 16490, 16684, 18904, 20855, 23630, 23908, 26384, 26966, 29240, 29885, 32980, 33368, 37808, 41710, 47260, 47816, 53932, 58480, 59770, 65960, 66736, 67415, 70907, 83420, 94520, 95632, 101609, 107864, 119540, 131920, 134830, 141814, 166840, 189040, 203218, 215728, 229211, 239080, 269660, 283628, 333680, 354535, 406436, 458422, 478160, 508045, 539320, 567256, 579769, 709070, 812872, 916844, 1016090, 1078640, 1134512, 1146055, 1159538, 1418140, 1625744, 1833688, 2032180, 2292110, 2319076, 2836280, 2898845, 3667376, 4064360, 4584220, 4638152, 5672560, 5797690, 8128720, 9168440, 9276304, 9856073, 11595380, 18336880, 19712146, 23190760, 39424292, 46381520, 49280365, 78848584, 98560730, 157697168, 197121460, 394242920, 788485840]

約数ペア:

[(1, 788485840), (2, 394242920), (4, 197121460), (5, 157697168), (8, 98560730), (10, 78848584), (16, 49280365), (17, 46381520), (20, 39424292), (34, 23190760), (40, 19712146), (43, 18336880), (68, 11595380), (80, 9856073), (85, 9276304), (86, 9168440), (97, 8128720), (136, 5797690), (139, 5672560), (170, 4638152), (172, 4584220), (194, 4064360), (215, 3667376), (272, 2898845), (278, 2836280), (340, 2319076), (344, 2292110), (388, 2032180), (430, 1833688), (485, 1625744), (556, 1418140), (680, 1159538), (688, 1146055), (695, 1134512), (731, 1078640), (776, 1016090), (860, 916844), (970, 812872), (1112, 709070), (1360, 579769), (1390, 567256), (1462, 539320), (1552, 508045), (1649, 478160), (1720, 458422), (1940, 406436), (2224, 354535), (2363, 333680), (2780, 283628), (2924, 269660), (3298, 239080), (3440, 229211), (3655, 215728), (3880, 203218), (4171, 189040), (4726, 166840), (5560, 141814), (5848, 134830), (5977, 131920), (6596, 119540), (7310, 107864), (7760, 101609), (8245, 95632), (8342, 94520), (9452, 83420), (11120, 70907), (11696, 67415), (11815, 66736), (11954, 65960), (13192, 59770), (13483, 58480), (14620, 53932), (16490, 47816), (16684, 47260), (18904, 41710), (20855, 37808), (23630, 33368), (23908, 32980), (26384, 29885), (26966, 29240)]