30931390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{441877}}^1$

素因数の和:441891

約数の個数: 16

約数和(自身を含む): 63630432

約数和(自身を除く): 32699042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 441877, 883754, 2209385, 3093139, 4418770, 6186278, 15465695, 30931390]

約数ペア:

[(1, 30931390), (2, 15465695), (5, 6186278), (7, 4418770), (10, 3093139), (14, 2209385), (35, 883754), (70, 441877)]