201407620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1\times {\mathrm{577}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 438133248

約数和(自身を除く): 236725628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 563, 577, 620, 1126, 1154, 2252, 2308, 2815, 2885, 5630, 5770, 11260, 11540, 17453, 17887, 34906, 35774, 69812, 71548, 87265, 89435, 174530, 178870, 324851, 349060, 357740, 649702, 1299404, 1624255, 3248510, 6497020, 10070381, 20140762, 40281524, 50351905, 100703810, 201407620]

約数ペア:

[(1, 201407620), (2, 100703810), (4, 50351905), (5, 40281524), (10, 20140762), (20, 10070381), (31, 6497020), (62, 3248510), (124, 1624255), (155, 1299404), (310, 649702), (563, 357740), (577, 349060), (620, 324851), (1126, 178870), (1154, 174530), (2252, 89435), (2308, 87265), (2815, 71548), (2885, 69812), (5630, 35774), (5770, 34906), (11260, 17887), (11540, 17453)]