127298980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 278712000

約数和(自身を除く): 151413020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 1579, 2780, 3158, 4031, 6316, 7895, 8062, 15790, 16124, 20155, 31580, 40310, 45791, 80620, 91582, 183164, 219481, 228955, 438962, 457910, 877924, 915820, 1097405, 2194810, 4389620, 6364949, 12729898, 25459796, 31824745, 63649490, 127298980]

約数ペア:

[(1, 127298980), (2, 63649490), (4, 31824745), (5, 25459796), (10, 12729898), (20, 6364949), (29, 4389620), (58, 2194810), (116, 1097405), (139, 915820), (145, 877924), (278, 457910), (290, 438962), (556, 228955), (580, 219481), (695, 183164), (1390, 91582), (1579, 80620), (2780, 45791), (3158, 40310), (4031, 31580), (6316, 20155), (7895, 16124), (8062, 15790)]