30917900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1399}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 76557600

約数和(自身を除く): 45639700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1399, 1700, 2210, 2798, 4420, 5525, 5596, 6995, 11050, 13990, 18187, 22100, 23783, 27980, 34975, 36374, 47566, 69950, 72748, 90935, 95132, 118915, 139900, 181870, 237830, 309179, 363740, 454675, 475660, 594575, 618358, 909350, 1189150, 1236716, 1545895, 1818700, 2378300, 3091790, 6183580, 7729475, 15458950, 30917900]

約数ペア:

[(1, 30917900), (2, 15458950), (4, 7729475), (5, 6183580), (10, 3091790), (13, 2378300), (17, 1818700), (20, 1545895), (25, 1236716), (26, 1189150), (34, 909350), (50, 618358), (52, 594575), (65, 475660), (68, 454675), (85, 363740), (100, 309179), (130, 237830), (170, 181870), (221, 139900), (260, 118915), (325, 95132), (340, 90935), (425, 72748), (442, 69950), (650, 47566), (850, 36374), (884, 34975), (1105, 27980), (1300, 23783), (1399, 22100), (1700, 18187), (2210, 13990), (2798, 11050), (4420, 6995), (5525, 5596)]