209938100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{123493}}^1$

素因数の和:123524

約数の個数: 36

約数和(自身を含む): 482367564

約数和(自身を除く): 272429464

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 123493, 246986, 493972, 617465, 1234930, 2099381, 2469860, 3087325, 4198762, 6174650, 8397524, 10496905, 12349300, 20993810, 41987620, 52484525, 104969050, 209938100]

約数ペア:

[(1, 209938100), (2, 104969050), (4, 52484525), (5, 41987620), (10, 20993810), (17, 12349300), (20, 10496905), (25, 8397524), (34, 6174650), (50, 4198762), (68, 3087325), (85, 2469860), (100, 2099381), (170, 1234930), (340, 617465), (425, 493972), (850, 246986), (1700, 123493)]