557108240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1091}}^1$

素因数の和:1608

約数の個数: 80

約数和(自身を含む): 1399035456

約数和(自身を除く): 841927216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 491, 520, 982, 1040, 1091, 1964, 2182, 2455, 3928, 4364, 4910, 5455, 6383, 7856, 8728, 9820, 10910, 12766, 14183, 17456, 19640, 21820, 25532, 28366, 31915, 39280, 43640, 51064, 56732, 63830, 70915, 87280, 102128, 113464, 127660, 141830, 226928, 255320, 283660, 510640, 535681, 567320, 1071362, 1134640, 2142724, 2678405, 4285448, 5356810, 6963853, 8570896, 10713620, 13927706, 21427240, 27855412, 34819265, 42854480, 55710824, 69638530, 111421648, 139277060, 278554120, 557108240]

約数ペア:

[(1, 557108240), (2, 278554120), (4, 139277060), (5, 111421648), (8, 69638530), (10, 55710824), (13, 42854480), (16, 34819265), (20, 27855412), (26, 21427240), (40, 13927706), (52, 10713620), (65, 8570896), (80, 6963853), (104, 5356810), (130, 4285448), (208, 2678405), (260, 2142724), (491, 1134640), (520, 1071362), (982, 567320), (1040, 535681), (1091, 510640), (1964, 283660), (2182, 255320), (2455, 226928), (3928, 141830), (4364, 127660), (4910, 113464), (5455, 102128), (6383, 87280), (7856, 70915), (8728, 63830), (9820, 56732), (10910, 51064), (12766, 43640), (14183, 39280), (17456, 31915), (19640, 28366), (21820, 25532)]