28801400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 72919440

約数和(自身を除く): 44118040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 43, 50, 68, 85, 86, 100, 136, 170, 172, 197, 200, 215, 340, 344, 394, 425, 430, 680, 731, 788, 850, 860, 985, 1075, 1462, 1576, 1700, 1720, 1970, 2150, 2924, 3349, 3400, 3655, 3940, 4300, 4925, 5848, 6698, 7310, 7880, 8471, 8600, 9850, 13396, 14620, 16745, 16942, 18275, 19700, 26792, 29240, 33490, 33884, 36550, 39400, 42355, 66980, 67768, 73100, 83725, 84710, 133960, 144007, 146200, 167450, 169420, 211775, 288014, 334900, 338840, 423550, 576028, 669800, 720035, 847100, 1152056, 1440070, 1694200, 2880140, 3600175, 5760280, 7200350, 14400700, 28801400]

約数ペア:

[(1, 28801400), (2, 14400700), (4, 7200350), (5, 5760280), (8, 3600175), (10, 2880140), (17, 1694200), (20, 1440070), (25, 1152056), (34, 847100), (40, 720035), (43, 669800), (50, 576028), (68, 423550), (85, 338840), (86, 334900), (100, 288014), (136, 211775), (170, 169420), (172, 167450), (197, 146200), (200, 144007), (215, 133960), (340, 84710), (344, 83725), (394, 73100), (425, 67768), (430, 66980), (680, 42355), (731, 39400), (788, 36550), (850, 33884), (860, 33490), (985, 29240), (1075, 26792), (1462, 19700), (1576, 18275), (1700, 16942), (1720, 16745), (1970, 14620), (2150, 13396), (2924, 9850), (3349, 8600), (3400, 8471), (3655, 7880), (3940, 7310), (4300, 6698), (4925, 5848)]