994996240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1776779}}^1$

素因数の和:1776799

約数の個数: 40

約数和(自身を含む): 2643848640

約数和(自身を除く): 1648852400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1776779, 3553558, 7107116, 8883895, 12437453, 14214232, 17767790, 24874906, 28428464, 35535580, 49749812, 62187265, 71071160, 99499624, 124374530, 142142320, 198999248, 248749060, 497498120, 994996240]

約数ペア:

[(1, 994996240), (2, 497498120), (4, 248749060), (5, 198999248), (7, 142142320), (8, 124374530), (10, 99499624), (14, 71071160), (16, 62187265), (20, 49749812), (28, 35535580), (35, 28428464), (40, 24874906), (56, 17767790), (70, 14214232), (80, 12437453), (112, 8883895), (140, 7107116), (280, 3553558), (560, 1776779)]