131444620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 282024288

約数和(自身を除く): 150579668

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 233, 268, 335, 421, 466, 670, 842, 932, 1165, 1340, 1684, 2105, 2330, 4210, 4660, 8420, 15611, 28207, 31222, 56414, 62444, 78055, 98093, 112828, 141035, 156110, 196186, 282070, 312220, 392372, 490465, 564140, 980930, 1961860, 6572231, 13144462, 26288924, 32861155, 65722310, 131444620]

約数ペア:

[(1, 131444620), (2, 65722310), (4, 32861155), (5, 26288924), (10, 13144462), (20, 6572231), (67, 1961860), (134, 980930), (233, 564140), (268, 490465), (335, 392372), (421, 312220), (466, 282070), (670, 196186), (842, 156110), (932, 141035), (1165, 112828), (1340, 98093), (1684, 78055), (2105, 62444), (2330, 56414), (4210, 31222), (4660, 28207), (8420, 15611)]