287907970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4112971}}^1$

素因数の和:4112985

約数の個数: 16

約数和(自身を含む): 592267968

約数和(自身を除く): 304359998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4112971, 8225942, 20564855, 28790797, 41129710, 57581594, 143953985, 287907970]

約数ペア:

[(1, 287907970), (2, 143953985), (5, 57581594), (7, 41129710), (10, 28790797), (14, 20564855), (35, 8225942), (70, 4112971)]