972500

素因数分解:

$2^2\times 5^4\times {\mathrm{389}}^1$

素因数の和:413

約数の個数: 30

約数和(自身を含む): 2132130

約数和(自身を除く): 1159630

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 389, 500, 625, 778, 1250, 1556, 1945, 2500, 3890, 7780, 9725, 19450, 38900, 48625, 97250, 194500, 243125, 486250, 972500]

約数ペア:

[(1, 972500), (2, 486250), (4, 243125), (5, 194500), (10, 97250), (20, 48625), (25, 38900), (50, 19450), (100, 9725), (125, 7780), (250, 3890), (389, 2500), (500, 1945), (625, 1556), (778, 1250)]