1964375

素因数分解:

$5^4\times 7^1\times {\mathrm{449}}^1$

素因数の和:476

約数の個数: 20

約数和(自身を含む): 2811600

約数和(自身を除く): 847225

約数列:

[1, 5, 7, 25, 35, 125, 175, 449, 625, 875, 2245, 3143, 4375, 11225, 15715, 56125, 78575, 280625, 392875, 1964375]

約数ペア:

[(1, 1964375), (5, 392875), (7, 280625), (25, 78575), (35, 56125), (125, 15715), (175, 11225), (449, 4375), (625, 3143), (875, 2245)]