7872500

素因数分解:

$2^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 17844288

約数和(自身を除く): 9971788

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 67, 94, 100, 125, 134, 188, 235, 250, 268, 335, 470, 500, 625, 670, 940, 1175, 1250, 1340, 1675, 2350, 2500, 3149, 3350, 4700, 5875, 6298, 6700, 8375, 11750, 12596, 15745, 16750, 23500, 29375, 31490, 33500, 41875, 58750, 62980, 78725, 83750, 117500, 157450, 167500, 314900, 393625, 787250, 1574500, 1968125, 3936250, 7872500]

約数ペア:

[(1, 7872500), (2, 3936250), (4, 1968125), (5, 1574500), (10, 787250), (20, 393625), (25, 314900), (47, 167500), (50, 157450), (67, 117500), (94, 83750), (100, 78725), (125, 62980), (134, 58750), (188, 41875), (235, 33500), (250, 31490), (268, 29375), (335, 23500), (470, 16750), (500, 15745), (625, 12596), (670, 11750), (940, 8375), (1175, 6700), (1250, 6298), (1340, 5875), (1675, 4700), (2350, 3350), (2500, 3149)]