539462020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{8221}}^1$

素因数の和:8440

約数の個数: 48

約数和(自身を含む): 1205871408

約数和(自身を除く): 666409388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1930, 3281, 3860, 6562, 8221, 13124, 16405, 16442, 32810, 32884, 41105, 65620, 82210, 139757, 164420, 279514, 559028, 698785, 1397570, 1586653, 2795140, 3173306, 6346612, 7933265, 15866530, 26973101, 31733060, 53946202, 107892404, 134865505, 269731010, 539462020]

約数ペア:

[(1, 539462020), (2, 269731010), (4, 134865505), (5, 107892404), (10, 53946202), (17, 31733060), (20, 26973101), (34, 15866530), (68, 7933265), (85, 6346612), (170, 3173306), (193, 2795140), (340, 1586653), (386, 1397570), (772, 698785), (965, 559028), (1930, 279514), (3281, 164420), (3860, 139757), (6562, 82210), (8221, 65620), (13124, 41105), (16405, 32884), (16442, 32810)]