69910000

素因数分解:

$2^4\times 5^4\times {\mathrm{6991}}^1$

素因数の和:7019

約数の個数: 50

約数和(自身を含む): 169283312

約数和(自身を除く): 99373312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 6991, 10000, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 174775, 279640, 349550, 559280, 699100, 873875, 1398200, 1747750, 2796400, 3495500, 4369375, 6991000, 8738750, 13982000, 17477500, 34955000, 69910000]

約数ペア:

[(1, 69910000), (2, 34955000), (4, 17477500), (5, 13982000), (8, 8738750), (10, 6991000), (16, 4369375), (20, 3495500), (25, 2796400), (40, 1747750), (50, 1398200), (80, 873875), (100, 699100), (125, 559280), (200, 349550), (250, 279640), (400, 174775), (500, 139820), (625, 111856), (1000, 69910), (1250, 55928), (2000, 34955), (2500, 27964), (5000, 13982), (6991, 10000)]