1901875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:216

約数の個数: 20

約数和(自身を含む): 2530440

約数和(自身を除く): 628565

約数列:

[1, 5, 17, 25, 85, 125, 179, 425, 625, 895, 2125, 3043, 4475, 10625, 15215, 22375, 76075, 111875, 380375, 1901875]

約数ペア:

[(1, 1901875), (5, 380375), (17, 111875), (25, 76075), (85, 22375), (125, 15215), (179, 10625), (425, 4475), (625, 3043), (895, 2125)]