385740100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 865430720

約数和(自身を除く): 479690620

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 109, 172, 215, 218, 430, 436, 545, 823, 860, 1075, 1090, 1646, 2150, 2180, 2725, 3292, 4115, 4300, 4687, 5450, 8230, 9374, 10900, 16460, 18748, 20575, 23435, 35389, 41150, 46870, 70778, 82300, 89707, 93740, 117175, 141556, 176945, 179414, 234350, 353890, 358828, 448535, 468700, 707780, 884725, 897070, 1769450, 1794140, 2242675, 3538900, 3857401, 4485350, 7714802, 8970700, 15429604, 19287005, 38574010, 77148020, 96435025, 192870050, 385740100]

約数ペア:

[(1, 385740100), (2, 192870050), (4, 96435025), (5, 77148020), (10, 38574010), (20, 19287005), (25, 15429604), (43, 8970700), (50, 7714802), (86, 4485350), (100, 3857401), (109, 3538900), (172, 2242675), (215, 1794140), (218, 1769450), (430, 897070), (436, 884725), (545, 707780), (823, 468700), (860, 448535), (1075, 358828), (1090, 353890), (1646, 234350), (2150, 179414), (2180, 176945), (2725, 141556), (3292, 117175), (4115, 93740), (4300, 89707), (4687, 82300), (5450, 70778), (8230, 46870), (9374, 41150), (10900, 35389), (16460, 23435), (18748, 20575)]