677620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 1507464

約数和(自身を除く): 829844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1993, 3986, 7972, 9965, 19930, 33881, 39860, 67762, 135524, 169405, 338810, 677620]

約数ペア:

[(1, 677620), (2, 338810), (4, 169405), (5, 135524), (10, 67762), (17, 39860), (20, 33881), (34, 19930), (68, 9965), (85, 7972), (170, 3986), (340, 1993)]