312817360

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{4027}}^1$

素因数の和:5011

約数の個数: 40

約数和(自身を含む): 728230176

約数和(自身を除く): 415412816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3884, 4027, 4855, 7768, 8054, 9710, 15536, 16108, 19420, 20135, 32216, 38840, 40270, 64432, 77680, 80540, 161080, 322160, 3910217, 7820434, 15640868, 19551085, 31281736, 39102170, 62563472, 78204340, 156408680, 312817360]

約数ペア:

[(1, 312817360), (2, 156408680), (4, 78204340), (5, 62563472), (8, 39102170), (10, 31281736), (16, 19551085), (20, 15640868), (40, 7820434), (80, 3910217), (971, 322160), (1942, 161080), (3884, 80540), (4027, 77680), (4855, 64432), (7768, 40270), (8054, 38840), (9710, 32216), (15536, 20135), (16108, 19420)]