2398960

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 5642496

約数和(自身を除く): 3243536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 191, 314, 382, 628, 764, 785, 955, 1256, 1528, 1570, 1910, 2512, 3056, 3140, 3820, 6280, 7640, 12560, 15280, 29987, 59974, 119948, 149935, 239896, 299870, 479792, 599740, 1199480, 2398960]

約数ペア:

[(1, 2398960), (2, 1199480), (4, 599740), (5, 479792), (8, 299870), (10, 239896), (16, 149935), (20, 119948), (40, 59974), (80, 29987), (157, 15280), (191, 12560), (314, 7640), (382, 6280), (628, 3820), (764, 3140), (785, 3056), (955, 2512), (1256, 1910), (1528, 1570)]