2855060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 6585600

約数和(自身を除く): 3730540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 139, 158, 260, 278, 316, 395, 556, 695, 790, 1027, 1390, 1580, 1807, 2054, 2780, 3614, 4108, 5135, 7228, 9035, 10270, 10981, 18070, 20540, 21962, 36140, 43924, 54905, 109810, 142753, 219620, 285506, 571012, 713765, 1427530, 2855060]

約数ペア:

[(1, 2855060), (2, 1427530), (4, 713765), (5, 571012), (10, 285506), (13, 219620), (20, 142753), (26, 109810), (52, 54905), (65, 43924), (79, 36140), (130, 21962), (139, 20540), (158, 18070), (260, 10981), (278, 10270), (316, 9035), (395, 7228), (556, 5135), (695, 4108), (790, 3614), (1027, 2780), (1390, 2054), (1580, 1807)]