90205640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2851}}^1$

素因数の和:2982

約数の個数: 64

約数和(自身を含む): 234092160

約数和(自身を除く): 143886520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 2851, 3164, 3955, 4520, 5702, 6328, 7910, 11404, 14255, 15820, 19957, 22808, 28510, 31640, 39914, 57020, 79828, 99785, 114040, 159656, 199570, 322163, 399140, 644326, 798280, 1288652, 1610815, 2255141, 2577304, 3221630, 4510282, 6443260, 9020564, 11275705, 12886520, 18041128, 22551410, 45102820, 90205640]

約数ペア:

[(1, 90205640), (2, 45102820), (4, 22551410), (5, 18041128), (7, 12886520), (8, 11275705), (10, 9020564), (14, 6443260), (20, 4510282), (28, 3221630), (35, 2577304), (40, 2255141), (56, 1610815), (70, 1288652), (113, 798280), (140, 644326), (226, 399140), (280, 322163), (452, 199570), (565, 159656), (791, 114040), (904, 99785), (1130, 79828), (1582, 57020), (2260, 39914), (2851, 31640), (3164, 28510), (3955, 22808), (4520, 19957), (5702, 15820), (6328, 14255), (7910, 11404)]