220005890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 450322740

約数和(自身を除く): 230316850

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 67, 130, 134, 145, 169, 290, 335, 338, 377, 670, 754, 845, 871, 1690, 1742, 1885, 1943, 3770, 3886, 4355, 4489, 4901, 8710, 8978, 9715, 9802, 11323, 19430, 22445, 22646, 24505, 25259, 44890, 49010, 50518, 56615, 58357, 113230, 116714, 126295, 130181, 252590, 260362, 291785, 328367, 583570, 650905, 656734, 758641, 1301810, 1517282, 1641835, 1692353, 3283670, 3384706, 3793205, 7586410, 8461765, 16923530, 22000589, 44001178, 110002945, 220005890]

約数ペア:

[(1, 220005890), (2, 110002945), (5, 44001178), (10, 22000589), (13, 16923530), (26, 8461765), (29, 7586410), (58, 3793205), (65, 3384706), (67, 3283670), (130, 1692353), (134, 1641835), (145, 1517282), (169, 1301810), (290, 758641), (335, 656734), (338, 650905), (377, 583570), (670, 328367), (754, 291785), (845, 260362), (871, 252590), (1690, 130181), (1742, 126295), (1885, 116714), (1943, 113230), (3770, 58357), (3886, 56615), (4355, 50518), (4489, 49010), (4901, 44890), (8710, 25259), (8978, 24505), (9715, 22646), (9802, 22445), (11323, 19430)]