202191780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{481409}}^1$

素因数の和:481428

約数の個数: 48

約数和(自身を含む): 647015040

約数和(自身を除く): 444823260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 481409, 962818, 1444227, 1925636, 2407045, 2888454, 3369863, 4814090, 5776908, 6739726, 7221135, 9628180, 10109589, 13479452, 14442270, 16849315, 20219178, 28884540, 33698630, 40438356, 50547945, 67397260, 101095890, 202191780]

約数ペア:

[(1, 202191780), (2, 101095890), (3, 67397260), (4, 50547945), (5, 40438356), (6, 33698630), (7, 28884540), (10, 20219178), (12, 16849315), (14, 14442270), (15, 13479452), (20, 10109589), (21, 9628180), (28, 7221135), (30, 6739726), (35, 5776908), (42, 4814090), (60, 3369863), (70, 2888454), (84, 2407045), (105, 1925636), (140, 1444227), (210, 962818), (420, 481409)]