389610625

素因数分解:

$5^4\times {\mathrm{743}}^1\times {\mathrm{839}}^1$

素因数の和:1602

約数の個数: 20

約数和(自身を含む): 488093760

約数和(自身を除く): 98483135

約数列:

[1, 5, 25, 125, 625, 743, 839, 3715, 4195, 18575, 20975, 92875, 104875, 464375, 524375, 623377, 3116885, 15584425, 77922125, 389610625]

約数ペア:

[(1, 389610625), (5, 77922125), (25, 15584425), (125, 3116885), (625, 623377), (743, 524375), (839, 464375), (3715, 104875), (4195, 92875), (18575, 20975)]