68449460

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7489}}^1$

素因数の和:7955

約数の個数: 24

約数和(自身を含む): 144077640

約数和(自身を除く): 75628180

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 7489, 9140, 14978, 29956, 37445, 74890, 149780, 3422473, 6844946, 13689892, 17112365, 34224730, 68449460]

約数ペア:

[(1, 68449460), (2, 34224730), (4, 17112365), (5, 13689892), (10, 6844946), (20, 3422473), (457, 149780), (914, 74890), (1828, 37445), (2285, 29956), (4570, 14978), (7489, 9140)]