405749090

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{40697}}^1$

素因数の和:41701

約数の個数: 16

約数和(自身を含む): 731098872

約数和(自身を除く): 325349782

約数列:

[1, 2, 5, 10, 997, 1994, 4985, 9970, 40697, 81394, 203485, 406970, 40574909, 81149818, 202874545, 405749090]

約数ペア:

[(1, 405749090), (2, 202874545), (5, 81149818), (10, 40574909), (997, 406970), (1994, 203485), (4985, 81394), (9970, 40697)]