209130940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{3187}}^1$

素因数の和:3406

約数の個数: 48

約数和(自身を含む): 467564832

約数和(自身を除く): 258433892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1930, 3187, 3281, 3860, 6374, 6562, 12748, 13124, 15935, 16405, 31870, 32810, 54179, 63740, 65620, 108358, 216716, 270895, 541790, 615091, 1083580, 1230182, 2460364, 3075455, 6150910, 10456547, 12301820, 20913094, 41826188, 52282735, 104565470, 209130940]

約数ペア:

[(1, 209130940), (2, 104565470), (4, 52282735), (5, 41826188), (10, 20913094), (17, 12301820), (20, 10456547), (34, 6150910), (68, 3075455), (85, 2460364), (170, 1230182), (193, 1083580), (340, 615091), (386, 541790), (772, 270895), (965, 216716), (1930, 108358), (3187, 65620), (3281, 63740), (3860, 54179), (6374, 32810), (6562, 31870), (12748, 16405), (13124, 15935)]