2684740

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 5671512

約数和(自身を除く): 2986772

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 557, 964, 1114, 1205, 2228, 2410, 2785, 4820, 5570, 11140, 134237, 268474, 536948, 671185, 1342370, 2684740]

約数ペア:

[(1, 2684740), (2, 1342370), (4, 671185), (5, 536948), (10, 268474), (20, 134237), (241, 11140), (482, 5570), (557, 4820), (964, 2785), (1114, 2410), (1205, 2228)]