207965780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5281}}^1$

素因数の和:5480

約数の個数: 48

約数和(自身を含む): 479183040

約数和(自身を除く): 271217260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 5281, 7876, 9845, 10562, 19690, 21124, 26405, 39380, 52810, 58091, 105620, 116182, 232364, 290455, 580910, 945299, 1161820, 1890598, 3781196, 4726495, 9452990, 10398289, 18905980, 20796578, 41593156, 51991445, 103982890, 207965780]

約数ペア:

[(1, 207965780), (2, 103982890), (4, 51991445), (5, 41593156), (10, 20796578), (11, 18905980), (20, 10398289), (22, 9452990), (44, 4726495), (55, 3781196), (110, 1890598), (179, 1161820), (220, 945299), (358, 580910), (716, 290455), (895, 232364), (1790, 116182), (1969, 105620), (3580, 58091), (3938, 52810), (5281, 39380), (7876, 26405), (9845, 21124), (10562, 19690)]