20180471990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288292457}}^1$

素因数の和:288292471

約数の個数: 16

約数和(自身を含む): 41514113952

約数和(自身を除く): 21333641962

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288292457, 576584914, 1441462285, 2018047199, 2882924570, 4036094398, 10090235995, 20180471990]

約数ペア:

[(1, 20180471990), (2, 10090235995), (5, 4036094398), (7, 2882924570), (10, 2018047199), (14, 1441462285), (35, 576584914), (70, 288292457)]