490645720

素因数分解:

$2^3\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{10079}}^1$

素因数の和:11307

約数の個数: 32

約数和(自身を含む): 1104969600

約数和(自身を除く): 614323880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1217, 2434, 4868, 6085, 9736, 10079, 12170, 20158, 24340, 40316, 48680, 50395, 80632, 100790, 201580, 403160, 12266143, 24532286, 49064572, 61330715, 98129144, 122661430, 245322860, 490645720]

約数ペア:

[(1, 490645720), (2, 245322860), (4, 122661430), (5, 98129144), (8, 61330715), (10, 49064572), (20, 24532286), (40, 12266143), (1217, 403160), (2434, 201580), (4868, 100790), (6085, 80632), (9736, 50395), (10079, 48680), (12170, 40316), (20158, 24340)]