31890460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227789}}^1$

素因数の和:227805

約数の個数: 24

約数和(自身を含む): 76537440

約数和(自身を除く): 44646980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227789, 455578, 911156, 1138945, 1594523, 2277890, 3189046, 4555780, 6378092, 7972615, 15945230, 31890460]

約数ペア:

[(1, 31890460), (2, 15945230), (4, 7972615), (5, 6378092), (7, 4555780), (10, 3189046), (14, 2277890), (20, 1594523), (28, 1138945), (35, 911156), (70, 455578), (140, 227789)]