87911740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5557}}^1$

素因数の和:5686

約数の個数: 48

約数和(自身を含む): 212893632

約数和(自身を除く): 124981892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 5557, 7910, 11114, 15820, 22228, 27785, 38899, 55570, 77798, 111140, 155596, 194495, 388990, 627941, 777980, 1255882, 2511764, 3139705, 4395587, 6279410, 8791174, 12558820, 17582348, 21977935, 43955870, 87911740]

約数ペア:

[(1, 87911740), (2, 43955870), (4, 21977935), (5, 17582348), (7, 12558820), (10, 8791174), (14, 6279410), (20, 4395587), (28, 3139705), (35, 2511764), (70, 1255882), (113, 777980), (140, 627941), (226, 388990), (452, 194495), (565, 155596), (791, 111140), (1130, 77798), (1582, 55570), (2260, 38899), (3164, 27785), (3955, 22228), (5557, 15820), (7910, 11114)]