56217490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1249}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 115920000

約数和(自身を除く): 59702510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 643, 1249, 1286, 2498, 3215, 4501, 6245, 6430, 8743, 9002, 12490, 17486, 22505, 43715, 45010, 87430, 803107, 1606214, 4015535, 5621749, 8031070, 11243498, 28108745, 56217490]

約数ペア:

[(1, 56217490), (2, 28108745), (5, 11243498), (7, 8031070), (10, 5621749), (14, 4015535), (35, 1606214), (70, 803107), (643, 87430), (1249, 45010), (1286, 43715), (2498, 22505), (3215, 17486), (4501, 12490), (6245, 9002), (6430, 8743)]