38689900

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1354

約数の個数: 36

約数和(自身を含む): 84248080

約数和(自身を除く): 45558180

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 919, 1684, 1838, 2105, 3676, 4210, 4595, 8420, 9190, 10525, 18380, 21050, 22975, 42100, 45950, 91900, 386899, 773798, 1547596, 1934495, 3868990, 7737980, 9672475, 19344950, 38689900]

約数ペア:

[(1, 38689900), (2, 19344950), (4, 9672475), (5, 7737980), (10, 3868990), (20, 1934495), (25, 1547596), (50, 773798), (100, 386899), (421, 91900), (842, 45950), (919, 42100), (1684, 22975), (1838, 21050), (2105, 18380), (3676, 10525), (4210, 9190), (4595, 8420)]