87748900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 204736896

約数和(自身を除く): 116987996

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 71, 85, 100, 142, 170, 284, 340, 355, 425, 710, 727, 850, 1207, 1420, 1454, 1700, 1775, 2414, 2908, 3550, 3635, 4828, 6035, 7100, 7270, 12070, 12359, 14540, 18175, 24140, 24718, 30175, 36350, 49436, 51617, 60350, 61795, 72700, 103234, 120700, 123590, 206468, 247180, 258085, 308975, 516170, 617950, 877489, 1032340, 1235900, 1290425, 1754978, 2580850, 3509956, 4387445, 5161700, 8774890, 17549780, 21937225, 43874450, 87748900]

約数ペア:

[(1, 87748900), (2, 43874450), (4, 21937225), (5, 17549780), (10, 8774890), (17, 5161700), (20, 4387445), (25, 3509956), (34, 2580850), (50, 1754978), (68, 1290425), (71, 1235900), (85, 1032340), (100, 877489), (142, 617950), (170, 516170), (284, 308975), (340, 258085), (355, 247180), (425, 206468), (710, 123590), (727, 120700), (850, 103234), (1207, 72700), (1420, 61795), (1454, 60350), (1700, 51617), (1775, 49436), (2414, 36350), (2908, 30175), (3550, 24718), (3635, 24140), (4828, 18175), (6035, 14540), (7100, 12359), (7270, 12070)]