98895700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 222659360

約数和(自身を除く): 123763660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 109, 172, 211, 215, 218, 422, 430, 436, 545, 844, 860, 1055, 1075, 1090, 2110, 2150, 2180, 2725, 4220, 4300, 4687, 5275, 5450, 9073, 9374, 10550, 10900, 18146, 18748, 21100, 22999, 23435, 36292, 45365, 45998, 46870, 90730, 91996, 93740, 114995, 117175, 181460, 226825, 229990, 234350, 453650, 459980, 468700, 574975, 907300, 988957, 1149950, 1977914, 2299900, 3955828, 4944785, 9889570, 19779140, 24723925, 49447850, 98895700]

約数ペア:

[(1, 98895700), (2, 49447850), (4, 24723925), (5, 19779140), (10, 9889570), (20, 4944785), (25, 3955828), (43, 2299900), (50, 1977914), (86, 1149950), (100, 988957), (109, 907300), (172, 574975), (211, 468700), (215, 459980), (218, 453650), (422, 234350), (430, 229990), (436, 226825), (545, 181460), (844, 117175), (860, 114995), (1055, 93740), (1075, 91996), (1090, 90730), (2110, 46870), (2150, 45998), (2180, 45365), (2725, 36292), (4220, 23435), (4300, 22999), (4687, 21100), (5275, 18748), (5450, 18146), (9073, 10900), (9374, 10550)]