1697620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4993}}^1$

素因数の和:5019

約数の個数: 24

約数和(自身を含む): 3775464

約数和(自身を除く): 2077844

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4993, 9986, 19972, 24965, 49930, 84881, 99860, 169762, 339524, 424405, 848810, 1697620]

約数ペア:

[(1, 1697620), (2, 848810), (4, 424405), (5, 339524), (10, 169762), (17, 99860), (20, 84881), (34, 49930), (68, 24965), (85, 19972), (170, 9986), (340, 4993)]