78597820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13693}}^1$

素因数の和:13750

約数の個数: 48

約数和(自身を含む): 193249728

約数和(自身を除く): 114651908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 13693, 27386, 54772, 68465, 95851, 136930, 191702, 273860, 383404, 479255, 561413, 958510, 1122826, 1917020, 2245652, 2807065, 3929891, 5614130, 7859782, 11228260, 15719564, 19649455, 39298910, 78597820]

約数ペア:

[(1, 78597820), (2, 39298910), (4, 19649455), (5, 15719564), (7, 11228260), (10, 7859782), (14, 5614130), (20, 3929891), (28, 2807065), (35, 2245652), (41, 1917020), (70, 1122826), (82, 958510), (140, 561413), (164, 479255), (205, 383404), (287, 273860), (410, 191702), (574, 136930), (820, 95851), (1148, 68465), (1435, 54772), (2870, 27386), (5740, 13693)]