389503060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{671557}}^1$

素因数の和:671595

約数の個数: 24

約数和(自身を含む): 846163080

約数和(自身を除く): 456660020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 671557, 1343114, 2686228, 3357785, 6715570, 13431140, 19475153, 38950306, 77900612, 97375765, 194751530, 389503060]

約数ペア:

[(1, 389503060), (2, 194751530), (4, 97375765), (5, 77900612), (10, 38950306), (20, 19475153), (29, 13431140), (58, 6715570), (116, 3357785), (145, 2686228), (290, 1343114), (580, 671557)]