161799260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1155709}}^1$

素因数の和:1155725

約数の個数: 24

約数和(自身を含む): 388318560

約数和(自身を除く): 226519300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1155709, 2311418, 4622836, 5778545, 8089963, 11557090, 16179926, 23114180, 32359852, 40449815, 80899630, 161799260]

約数ペア:

[(1, 161799260), (2, 80899630), (4, 40449815), (5, 32359852), (7, 23114180), (10, 16179926), (14, 11557090), (20, 8089963), (28, 5778545), (35, 4622836), (70, 2311418), (140, 1155709)]