140169980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3637}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 308036736

約数和(自身を除く): 167866756

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3637, 3854, 7274, 7708, 9635, 14548, 18185, 19270, 36370, 38540, 72740, 149117, 170939, 298234, 341878, 596468, 683756, 745585, 854695, 1491170, 1709390, 2982340, 3418780, 7008499, 14016998, 28033996, 35042495, 70084990, 140169980]

約数ペア:

[(1, 140169980), (2, 70084990), (4, 35042495), (5, 28033996), (10, 14016998), (20, 7008499), (41, 3418780), (47, 2982340), (82, 1709390), (94, 1491170), (164, 854695), (188, 745585), (205, 683756), (235, 596468), (410, 341878), (470, 298234), (820, 170939), (940, 149117), (1927, 72740), (3637, 38540), (3854, 36370), (7274, 19270), (7708, 18185), (9635, 14548)]