399741740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1175711}}^1$

素因数の和:1175737

約数の個数: 24

約数和(自身を含む): 888838272

約数和(自身を除く): 489096532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1175711, 2351422, 4702844, 5878555, 11757110, 19987087, 23514220, 39974174, 79948348, 99935435, 199870870, 399741740]

約数ペア:

[(1, 399741740), (2, 199870870), (4, 99935435), (5, 79948348), (10, 39974174), (17, 23514220), (20, 19987087), (34, 11757110), (68, 5878555), (85, 4702844), (170, 2351422), (340, 1175711)]