7145000

素因数分解:

$2^3\times 5^4\times {\mathrm{1429}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 16752450

約数和(自身を除く): 9607450

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1429, 2500, 2858, 5000, 5716, 7145, 11432, 14290, 28580, 35725, 57160, 71450, 142900, 178625, 285800, 357250, 714500, 893125, 1429000, 1786250, 3572500, 7145000]

約数ペア:

[(1, 7145000), (2, 3572500), (4, 1786250), (5, 1429000), (8, 893125), (10, 714500), (20, 357250), (25, 285800), (40, 178625), (50, 142900), (100, 71450), (125, 57160), (200, 35725), (250, 28580), (500, 14290), (625, 11432), (1000, 7145), (1250, 5716), (1429, 5000), (2500, 2858)]