201627740

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 430252032

約数和(自身を除く): 228624292

約数列:

[1, 2, 4, 5, 10, 20, 127, 163, 254, 326, 487, 508, 635, 652, 815, 974, 1270, 1630, 1948, 2435, 2540, 3260, 4870, 9740, 20701, 41402, 61849, 79381, 82804, 103505, 123698, 158762, 207010, 247396, 309245, 317524, 396905, 414020, 618490, 793810, 1236980, 1587620, 10081387, 20162774, 40325548, 50406935, 100813870, 201627740]

約数ペア:

[(1, 201627740), (2, 100813870), (4, 50406935), (5, 40325548), (10, 20162774), (20, 10081387), (127, 1587620), (163, 1236980), (254, 793810), (326, 618490), (487, 414020), (508, 396905), (635, 317524), (652, 309245), (815, 247396), (974, 207010), (1270, 158762), (1630, 123698), (1948, 103505), (2435, 82804), (2540, 79381), (3260, 61849), (4870, 41402), (9740, 20701)]