389441940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6490699}}^1$

素因数の和:6490711

約数の個数: 24

約数和(自身を含む): 1090437600

約数和(自身を除く): 700995660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6490699, 12981398, 19472097, 25962796, 32453495, 38944194, 64906990, 77888388, 97360485, 129813980, 194720970, 389441940]

約数ペア:

[(1, 389441940), (2, 194720970), (3, 129813980), (4, 97360485), (5, 77888388), (6, 64906990), (10, 38944194), (12, 32453495), (15, 25962796), (20, 19472097), (30, 12981398), (60, 6490699)]