664579580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4746997}}^1$

素因数の和:4747013

約数の個数: 24

約数和(自身を含む): 1594991328

約数和(自身を除く): 930411748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4746997, 9493994, 18987988, 23734985, 33228979, 47469970, 66457958, 94939940, 132915916, 166144895, 332289790, 664579580]

約数ペア:

[(1, 664579580), (2, 332289790), (4, 166144895), (5, 132915916), (7, 94939940), (10, 66457958), (14, 47469970), (20, 33228979), (28, 23734985), (35, 18987988), (70, 9493994), (140, 4746997)]