85109140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1297}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 190369872

約数和(自身を除く): 105260732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1297, 1930, 2594, 3281, 3860, 5188, 6485, 6562, 12970, 13124, 16405, 22049, 25940, 32810, 44098, 65620, 88196, 110245, 220490, 250321, 440980, 500642, 1001284, 1251605, 2503210, 4255457, 5006420, 8510914, 17021828, 21277285, 42554570, 85109140]

約数ペア:

[(1, 85109140), (2, 42554570), (4, 21277285), (5, 17021828), (10, 8510914), (17, 5006420), (20, 4255457), (34, 2503210), (68, 1251605), (85, 1001284), (170, 500642), (193, 440980), (340, 250321), (386, 220490), (772, 110245), (965, 88196), (1297, 65620), (1930, 44098), (2594, 32810), (3281, 25940), (3860, 22049), (5188, 16405), (6485, 13124), (6562, 12970)]