915674180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{471997}}^1$

素因数の和:472103

約数の個数: 24

約数和(自身を含む): 1942743768

約数和(自身を除く): 1027069588

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 471997, 943994, 1887988, 2359985, 4719970, 9439940, 45783709, 91567418, 183134836, 228918545, 457837090, 915674180]

約数ペア:

[(1, 915674180), (2, 457837090), (4, 228918545), (5, 183134836), (10, 91567418), (20, 45783709), (97, 9439940), (194, 4719970), (388, 2359985), (485, 1887988), (970, 943994), (1940, 471997)]