994375

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 20

約数和(自身を含む): 1305832

約数和(自身を除く): 311457

約数列:

[1, 5, 25, 37, 43, 125, 185, 215, 625, 925, 1075, 1591, 4625, 5375, 7955, 23125, 26875, 39775, 198875, 994375]

約数ペア:

[(1, 994375), (5, 198875), (25, 39775), (37, 26875), (43, 23125), (125, 7955), (185, 5375), (215, 4625), (625, 1591), (925, 1075)]