78341620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559583}}^1$

素因数の和:559599

約数の個数: 24

約数和(自身を含む): 188020224

約数和(自身を除く): 109678604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559583, 1119166, 2238332, 2797915, 3917081, 5595830, 7834162, 11191660, 15668324, 19585405, 39170810, 78341620]

約数ペア:

[(1, 78341620), (2, 39170810), (4, 19585405), (5, 15668324), (7, 11191660), (10, 7834162), (14, 5595830), (20, 3917081), (28, 2797915), (35, 2238332), (70, 1119166), (140, 559583)]