131930120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{471179}}^1$

素因数の和:471197

約数の個数: 32

約数和(自身を含む): 339249600

約数和(自身を除く): 207319480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 471179, 942358, 1884716, 2355895, 3298253, 3769432, 4711790, 6596506, 9423580, 13193012, 16491265, 18847160, 26386024, 32982530, 65965060, 131930120]

約数ペア:

[(1, 131930120), (2, 65965060), (4, 32982530), (5, 26386024), (7, 18847160), (8, 16491265), (10, 13193012), (14, 9423580), (20, 6596506), (28, 4711790), (35, 3769432), (40, 3298253), (56, 2355895), (70, 1884716), (140, 942358), (280, 471179)]