15700900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{797}}^1$

素因数の和:1008

約数の個数: 36

約数和(自身を含む): 34286868

約数和(自身を除く): 18585968

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 797, 985, 1594, 1970, 3188, 3940, 3985, 4925, 7970, 9850, 15940, 19700, 19925, 39850, 79700, 157009, 314018, 628036, 785045, 1570090, 3140180, 3925225, 7850450, 15700900]

約数ペア:

[(1, 15700900), (2, 7850450), (4, 3925225), (5, 3140180), (10, 1570090), (20, 785045), (25, 628036), (50, 314018), (100, 157009), (197, 79700), (394, 39850), (788, 19925), (797, 19700), (985, 15940), (1594, 9850), (1970, 7970), (3188, 4925), (3940, 3985)]