648032980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4628807}}^1$

素因数の和:4628823

約数の個数: 24

約数和(自身を含む): 1555279488

約数和(自身を除く): 907246508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4628807, 9257614, 18515228, 23144035, 32401649, 46288070, 64803298, 92576140, 129606596, 162008245, 324016490, 648032980]

約数ペア:

[(1, 648032980), (2, 324016490), (4, 162008245), (5, 129606596), (7, 92576140), (10, 64803298), (14, 46288070), (20, 32401649), (28, 23144035), (35, 18515228), (70, 9257614), (140, 4628807)]