855406510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2797}}^1$

素因数の和:3085

約数の個数: 64

約数和(自身を含む): 1871123328

約数和(自身を除く): 1015716818

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 257, 514, 595, 1190, 1285, 1799, 2570, 2797, 3598, 4369, 5594, 8738, 8995, 13985, 17990, 19579, 21845, 27970, 30583, 39158, 43690, 47549, 61166, 95098, 97895, 152915, 195790, 237745, 305830, 332843, 475490, 665686, 718829, 1437658, 1664215, 3328430, 3594145, 5031803, 7188290, 10063606, 12220093, 24440186, 25159015, 50318030, 61100465, 85540651, 122200930, 171081302, 427703255, 855406510]

約数ペア:

[(1, 855406510), (2, 427703255), (5, 171081302), (7, 122200930), (10, 85540651), (14, 61100465), (17, 50318030), (34, 25159015), (35, 24440186), (70, 12220093), (85, 10063606), (119, 7188290), (170, 5031803), (238, 3594145), (257, 3328430), (514, 1664215), (595, 1437658), (1190, 718829), (1285, 665686), (1799, 475490), (2570, 332843), (2797, 305830), (3598, 237745), (4369, 195790), (5594, 152915), (8738, 97895), (8995, 95098), (13985, 61166), (17990, 47549), (19579, 43690), (21845, 39158), (27970, 30583)]