389778875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 502554624

約数和(自身を除く): 112775749

約数列:

[1, 5, 25, 43, 125, 127, 215, 571, 635, 1075, 2855, 3175, 5375, 5461, 14275, 15875, 24553, 27305, 71375, 72517, 122765, 136525, 362585, 613825, 682625, 1812925, 3069125, 3118231, 9064625, 15591155, 77955775, 389778875]

約数ペア:

[(1, 389778875), (5, 77955775), (25, 15591155), (43, 9064625), (125, 3118231), (127, 3069125), (215, 1812925), (571, 682625), (635, 613825), (1075, 362585), (2855, 136525), (3175, 122765), (5375, 72517), (5461, 71375), (14275, 27305), (15875, 24553)]