478260140

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{37897}}^1$

素因数の和:38537

約数の個数: 24

約数和(自身を含む): 1005964512

約数和(自身を除く): 527704372

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 37897, 75794, 151588, 189485, 378970, 757940, 23913007, 47826014, 95652028, 119565035, 239130070, 478260140]

約数ペア:

[(1, 478260140), (2, 239130070), (4, 119565035), (5, 95652028), (10, 47826014), (20, 23913007), (631, 757940), (1262, 378970), (2524, 189485), (3155, 151588), (6310, 75794), (12620, 37897)]