2141875

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 20

約数和(自身を含む): 2811600

約数和(自身を除く): 669725

約数列:

[1, 5, 23, 25, 115, 125, 149, 575, 625, 745, 2875, 3427, 3725, 14375, 17135, 18625, 85675, 93125, 428375, 2141875]

約数ペア:

[(1, 2141875), (5, 428375), (23, 93125), (25, 85675), (115, 18625), (125, 17135), (149, 14375), (575, 3725), (625, 3427), (745, 2875)]