9878750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{1129}}^1$

素因数の和:1158

約数の個数: 40

約数和(自身を含む): 21180720

約数和(自身を除く): 11301970

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1129, 1250, 1750, 2258, 4375, 5645, 7903, 8750, 11290, 15806, 28225, 39515, 56450, 79030, 141125, 197575, 282250, 395150, 705625, 987875, 1411250, 1975750, 4939375, 9878750]

約数ペア:

[(1, 9878750), (2, 4939375), (5, 1975750), (7, 1411250), (10, 987875), (14, 705625), (25, 395150), (35, 282250), (50, 197575), (70, 141125), (125, 79030), (175, 56450), (250, 39515), (350, 28225), (625, 15806), (875, 11290), (1129, 8750), (1250, 7903), (1750, 5645), (2258, 4375)]