431140280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{557}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 999980640

約数和(自身を除く): 568840360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 523, 557, 740, 1046, 1114, 1480, 2092, 2228, 2615, 2785, 4184, 4456, 5230, 5570, 10460, 11140, 19351, 20609, 20920, 22280, 38702, 41218, 77404, 82436, 96755, 103045, 154808, 164872, 193510, 206090, 291311, 387020, 412180, 582622, 774040, 824360, 1165244, 1456555, 2330488, 2913110, 5826220, 10778507, 11652440, 21557014, 43114028, 53892535, 86228056, 107785070, 215570140, 431140280]

約数ペア:

[(1, 431140280), (2, 215570140), (4, 107785070), (5, 86228056), (8, 53892535), (10, 43114028), (20, 21557014), (37, 11652440), (40, 10778507), (74, 5826220), (148, 2913110), (185, 2330488), (296, 1456555), (370, 1165244), (523, 824360), (557, 774040), (740, 582622), (1046, 412180), (1114, 387020), (1480, 291311), (2092, 206090), (2228, 193510), (2615, 164872), (2785, 154808), (4184, 103045), (4456, 96755), (5230, 82436), (5570, 77404), (10460, 41218), (11140, 38702), (19351, 22280), (20609, 20920)]