161888020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1156343}}^1$

素因数の和:1156359

約数の個数: 24

約数和(自身を含む): 388531584

約数和(自身を除く): 226643564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1156343, 2312686, 4625372, 5781715, 8094401, 11563430, 16188802, 23126860, 32377604, 40472005, 80944010, 161888020]

約数ペア:

[(1, 161888020), (2, 80944010), (4, 40472005), (5, 32377604), (7, 23126860), (10, 16188802), (14, 11563430), (20, 8094401), (28, 5781715), (35, 4625372), (70, 2312686), (140, 1156343)]