168418180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1202987}}^1$

素因数の和:1203003

約数の個数: 24

約数和(自身を含む): 404203968

約数和(自身を除く): 235785788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1202987, 2405974, 4811948, 6014935, 8420909, 12029870, 16841818, 24059740, 33683636, 42104545, 84209090, 168418180]

約数ペア:

[(1, 168418180), (2, 84209090), (4, 42104545), (5, 33683636), (7, 24059740), (10, 16841818), (14, 12029870), (20, 8420909), (28, 6014935), (35, 4811948), (70, 2405974), (140, 1202987)]