278316020

素因数分解:

$2^2\times 5^1\times {\mathrm{13915801}}^1$

素因数の和:13915810

約数の個数: 12

約数和(自身を含む): 584463684

約数和(自身を除く): 306147664

約数列:

[1, 2, 4, 5, 10, 20, 13915801, 27831602, 55663204, 69579005, 139158010, 278316020]

約数ペア:

[(1, 278316020), (2, 139158010), (4, 69579005), (5, 55663204), (10, 27831602), (20, 13915801)]