9721150

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1188

約数の個数: 24

約数和(自身を含む): 18190800

約数和(自身を除く): 8469650

約数列:

[1, 2, 5, 10, 25, 50, 199, 398, 977, 995, 1954, 1990, 4885, 4975, 9770, 9950, 24425, 48850, 194423, 388846, 972115, 1944230, 4860575, 9721150]

約数ペア:

[(1, 9721150), (2, 4860575), (5, 1944230), (10, 972115), (25, 388846), (50, 194423), (199, 48850), (398, 24425), (977, 9950), (995, 9770), (1954, 4975), (1990, 4885)]