291298255240

素因数分解:

$2^3\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{2704217}}^1$

素因数の和:2706921

約数の個数: 32

約数和(自身を含む): 655664696280

約数和(自身を除く): 364366441040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2693, 5386, 10772, 13465, 21544, 26930, 53860, 107720, 2704217, 5408434, 10816868, 13521085, 21633736, 27042170, 54084340, 108168680, 7282456381, 14564912762, 29129825524, 36412281905, 58259651048, 72824563810, 145649127620, 291298255240]

約数ペア:

[(1, 291298255240), (2, 145649127620), (4, 72824563810), (5, 58259651048), (8, 36412281905), (10, 29129825524), (20, 14564912762), (40, 7282456381), (2693, 108168680), (5386, 54084340), (10772, 27042170), (13465, 21633736), (21544, 13521085), (26930, 10816868), (53860, 5408434), (107720, 2704217)]