2117540

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 4475520

約数和(自身を除く): 2357980

約数列:

[1, 2, 4, 5, 10, 20, 239, 443, 478, 886, 956, 1195, 1772, 2215, 2390, 4430, 4780, 8860, 105877, 211754, 423508, 529385, 1058770, 2117540]

約数ペア:

[(1, 2117540), (2, 1058770), (4, 529385), (5, 423508), (10, 211754), (20, 105877), (239, 8860), (443, 4780), (478, 4430), (886, 2390), (956, 2215), (1195, 1772)]