398884200625

素因数分解:

$5^4\times {\mathrm{433}}^1\times {\mathrm{1473937}}^1$

素因数の和:1474390

約数の個数: 20

約数和(自身を含む): 499597180852

約数和(自身を除く): 100712980227

約数列:

[1, 5, 25, 125, 433, 625, 2165, 10825, 54125, 270625, 1473937, 7369685, 36848425, 184242125, 638214721, 921210625, 3191073605, 15955368025, 79776840125, 398884200625]

約数ペア:

[(1, 398884200625), (5, 79776840125), (25, 15955368025), (125, 3191073605), (433, 921210625), (625, 638214721), (2165, 184242125), (10825, 36848425), (54125, 7369685), (270625, 1473937)]