63197740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 135475200

約数和(自身を除く): 72277460

約数列:

[1, 2, 4, 5, 10, 20, 127, 139, 179, 254, 278, 358, 508, 556, 635, 695, 716, 895, 1270, 1390, 1790, 2540, 2780, 3580, 17653, 22733, 24881, 35306, 45466, 49762, 70612, 88265, 90932, 99524, 113665, 124405, 176530, 227330, 248810, 353060, 454660, 497620, 3159887, 6319774, 12639548, 15799435, 31598870, 63197740]

約数ペア:

[(1, 63197740), (2, 31598870), (4, 15799435), (5, 12639548), (10, 6319774), (20, 3159887), (127, 497620), (139, 454660), (179, 353060), (254, 248810), (278, 227330), (358, 176530), (508, 124405), (556, 113665), (635, 99524), (695, 90932), (716, 88265), (895, 70612), (1270, 49762), (1390, 45466), (1790, 35306), (2540, 24881), (2780, 22733), (3580, 17653)]