1415740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 3017952

約数和(自身を除く): 1602212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 997, 1420, 1994, 3988, 4985, 9970, 19940, 70787, 141574, 283148, 353935, 707870, 1415740]

約数ペア:

[(1, 1415740), (2, 707870), (4, 353935), (5, 283148), (10, 141574), (20, 70787), (71, 19940), (142, 9970), (284, 4985), (355, 3988), (710, 1994), (997, 1420)]