313640560

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{5791}}^1$

素因数の和:6481

約数の個数: 40

約数和(自身を含む): 730417536

約数和(自身を除く): 416776976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 3385, 5416, 5791, 6770, 10832, 11582, 13540, 23164, 27080, 28955, 46328, 54160, 57910, 92656, 115820, 231640, 463280, 3920507, 7841014, 15682028, 19602535, 31364056, 39205070, 62728112, 78410140, 156820280, 313640560]

約数ペア:

[(1, 313640560), (2, 156820280), (4, 78410140), (5, 62728112), (8, 39205070), (10, 31364056), (16, 19602535), (20, 15682028), (40, 7841014), (80, 3920507), (677, 463280), (1354, 231640), (2708, 115820), (3385, 92656), (5416, 57910), (5791, 54160), (6770, 46328), (10832, 28955), (11582, 27080), (13540, 23164)]