465640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1663}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 1198080

約数和(自身を除く): 732440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1663, 3326, 6652, 8315, 11641, 13304, 16630, 23282, 33260, 46564, 58205, 66520, 93128, 116410, 232820, 465640]

約数ペア:

[(1, 465640), (2, 232820), (4, 116410), (5, 93128), (7, 66520), (8, 58205), (10, 46564), (14, 33260), (20, 23282), (28, 16630), (35, 13304), (40, 11641), (56, 8315), (70, 6652), (140, 3326), (280, 1663)]