290466760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1231}}^1$

素因数の和:1606

約数の個数: 64

約数和(自身を含む): 694552320

約数和(自身を除く): 404085560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 347, 680, 694, 1231, 1388, 1735, 2462, 2776, 3470, 4924, 5899, 6155, 6940, 9848, 11798, 12310, 13880, 20927, 23596, 24620, 29495, 41854, 47192, 49240, 58990, 83708, 104635, 117980, 167416, 209270, 235960, 418540, 427157, 837080, 854314, 1708628, 2135785, 3417256, 4271570, 7261669, 8543140, 14523338, 17086280, 29046676, 36308345, 58093352, 72616690, 145233380, 290466760]

約数ペア:

[(1, 290466760), (2, 145233380), (4, 72616690), (5, 58093352), (8, 36308345), (10, 29046676), (17, 17086280), (20, 14523338), (34, 8543140), (40, 7261669), (68, 4271570), (85, 3417256), (136, 2135785), (170, 1708628), (340, 854314), (347, 837080), (680, 427157), (694, 418540), (1231, 235960), (1388, 209270), (1735, 167416), (2462, 117980), (2776, 104635), (3470, 83708), (4924, 58990), (5899, 49240), (6155, 47192), (6940, 41854), (9848, 29495), (11798, 24620), (12310, 23596), (13880, 20927)]