289259620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{23671}}^1$

素因数の和:23740

約数の個数: 48

約数和(自身を含む): 668118528

約数和(自身を除く): 378858908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 23671, 47342, 94684, 118355, 236710, 307723, 473420, 615446, 1112537, 1230892, 1538615, 2225074, 3077230, 4450148, 5562685, 6154460, 11125370, 14462981, 22250740, 28925962, 57851924, 72314905, 144629810, 289259620]

約数ペア:

[(1, 289259620), (2, 144629810), (4, 72314905), (5, 57851924), (10, 28925962), (13, 22250740), (20, 14462981), (26, 11125370), (47, 6154460), (52, 5562685), (65, 4450148), (94, 3077230), (130, 2225074), (188, 1538615), (235, 1230892), (260, 1112537), (470, 615446), (611, 473420), (940, 307723), (1222, 236710), (2444, 118355), (3055, 94684), (6110, 47342), (12220, 23671)]