251176340

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{27481}}^1$

素因数の和:27947

約数の個数: 24

約数和(自身を含む): 528643752

約数和(自身を除く): 277467412

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 27481, 54962, 109924, 137405, 274810, 549620, 12558817, 25117634, 50235268, 62794085, 125588170, 251176340]

約数ペア:

[(1, 251176340), (2, 125588170), (4, 62794085), (5, 50235268), (10, 25117634), (20, 12558817), (457, 549620), (914, 274810), (1828, 137405), (2285, 109924), (4570, 54962), (9140, 27481)]