349633480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1248691}}^1$

素因数の和:1248709

約数の個数: 32

約数和(自身を含む): 899058240

約数和(自身を除く): 549424760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1248691, 2497382, 4994764, 6243455, 8740837, 9989528, 12486910, 17481674, 24973820, 34963348, 43704185, 49947640, 69926696, 87408370, 174816740, 349633480]

約数ペア:

[(1, 349633480), (2, 174816740), (4, 87408370), (5, 69926696), (7, 49947640), (8, 43704185), (10, 34963348), (14, 24973820), (20, 17481674), (28, 12486910), (35, 9989528), (40, 8740837), (56, 6243455), (70, 4994764), (140, 2497382), (280, 1248691)]