313664840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{166843}}^1$

素因数の和:166901

約数の個数: 32

約数和(自身を含む): 720766080

約数和(自身を除く): 407101240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 166843, 333686, 667372, 834215, 1334744, 1668430, 3336860, 6673720, 7841621, 15683242, 31366484, 39208105, 62732968, 78416210, 156832420, 313664840]

約数ペア:

[(1, 313664840), (2, 156832420), (4, 78416210), (5, 62732968), (8, 39208105), (10, 31366484), (20, 15683242), (40, 7841621), (47, 6673720), (94, 3336860), (188, 1668430), (235, 1334744), (376, 834215), (470, 667372), (940, 333686), (1880, 166843)]