31045000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{887}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 83223360

約数和(自身を除く): 52178360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 887, 1000, 1250, 1400, 1750, 1774, 2500, 3500, 3548, 4375, 4435, 5000, 6209, 7000, 7096, 8750, 8870, 12418, 17500, 17740, 22175, 24836, 31045, 35000, 35480, 44350, 49672, 62090, 88700, 110875, 124180, 155225, 177400, 221750, 248360, 310450, 443500, 554375, 620900, 776125, 887000, 1108750, 1241800, 1552250, 2217500, 3104500, 3880625, 4435000, 6209000, 7761250, 15522500, 31045000]

約数ペア:

[(1, 31045000), (2, 15522500), (4, 7761250), (5, 6209000), (7, 4435000), (8, 3880625), (10, 3104500), (14, 2217500), (20, 1552250), (25, 1241800), (28, 1108750), (35, 887000), (40, 776125), (50, 620900), (56, 554375), (70, 443500), (100, 310450), (125, 248360), (140, 221750), (175, 177400), (200, 155225), (250, 124180), (280, 110875), (350, 88700), (500, 62090), (625, 49672), (700, 44350), (875, 35480), (887, 35000), (1000, 31045), (1250, 24836), (1400, 22175), (1750, 17740), (1774, 17500), (2500, 12418), (3500, 8870), (3548, 8750), (4375, 7096), (4435, 7000), (5000, 6209)]