15702282940

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3985351}}^1$

素因数の和:3985557

約数の個数: 24

約数和(自身を含む): 33142187232

約数和(自身を除く): 17439904292

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 3985351, 7970702, 15941404, 19926755, 39853510, 79707020, 785114147, 1570228294, 3140456588, 3925570735, 7851141470, 15702282940]

約数ペア:

[(1, 15702282940), (2, 7851141470), (4, 3925570735), (5, 3140456588), (10, 1570228294), (20, 785114147), (197, 79707020), (394, 39853510), (788, 19926755), (985, 15941404), (1970, 7970702), (3940, 3985351)]