201828380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^2\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 466392192

約数和(自身を除く): 264563812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 223, 236, 260, 295, 446, 590, 767, 892, 1115, 1180, 1534, 2230, 2899, 3068, 3481, 3835, 4460, 5798, 6962, 7670, 11596, 13157, 13924, 14495, 15340, 17405, 26314, 28990, 34810, 45253, 52628, 57980, 65785, 69620, 90506, 131570, 171041, 181012, 226265, 263140, 342082, 452530, 684164, 776263, 855205, 905060, 1552526, 1710410, 3105052, 3420820, 3881315, 7762630, 10091419, 15525260, 20182838, 40365676, 50457095, 100914190, 201828380]

約数ペア:

[(1, 201828380), (2, 100914190), (4, 50457095), (5, 40365676), (10, 20182838), (13, 15525260), (20, 10091419), (26, 7762630), (52, 3881315), (59, 3420820), (65, 3105052), (118, 1710410), (130, 1552526), (223, 905060), (236, 855205), (260, 776263), (295, 684164), (446, 452530), (590, 342082), (767, 263140), (892, 226265), (1115, 181012), (1180, 171041), (1534, 131570), (2230, 90506), (2899, 69620), (3068, 65785), (3481, 57980), (3835, 52628), (4460, 45253), (5798, 34810), (6962, 28990), (7670, 26314), (11596, 17405), (13157, 15340), (13924, 14495)]