291210940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{133583}}^1$

素因数の和:133701

約数の個数: 24

約数和(自身を含む): 617158080

約数和(自身を除く): 325947140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 133583, 267166, 534332, 667915, 1335830, 2671660, 14560547, 29121094, 58242188, 72802735, 145605470, 291210940]

約数ペア:

[(1, 291210940), (2, 145605470), (4, 72802735), (5, 58242188), (10, 29121094), (20, 14560547), (109, 2671660), (218, 1335830), (436, 667915), (545, 534332), (1090, 267166), (2180, 133583)]