86852500

素因数分解:

$2^2\times 5^4\times 7^2\times {\mathrm{709}}^1$

素因数の和:747

約数の個数: 90

約数和(自身を含む): 221249490

約数和(自身を除く): 134396990

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 625, 700, 709, 875, 980, 1225, 1250, 1418, 1750, 2450, 2500, 2836, 3500, 3545, 4375, 4900, 4963, 6125, 7090, 8750, 9926, 12250, 14180, 17500, 17725, 19852, 24500, 24815, 30625, 34741, 35450, 49630, 61250, 69482, 70900, 88625, 99260, 122500, 124075, 138964, 173705, 177250, 248150, 347410, 354500, 443125, 496300, 620375, 694820, 868525, 886250, 1240750, 1737050, 1772500, 2481500, 3101875, 3474100, 4342625, 6203750, 8685250, 12407500, 17370500, 21713125, 43426250, 86852500]

約数ペア:

[(1, 86852500), (2, 43426250), (4, 21713125), (5, 17370500), (7, 12407500), (10, 8685250), (14, 6203750), (20, 4342625), (25, 3474100), (28, 3101875), (35, 2481500), (49, 1772500), (50, 1737050), (70, 1240750), (98, 886250), (100, 868525), (125, 694820), (140, 620375), (175, 496300), (196, 443125), (245, 354500), (250, 347410), (350, 248150), (490, 177250), (500, 173705), (625, 138964), (700, 124075), (709, 122500), (875, 99260), (980, 88625), (1225, 70900), (1250, 69482), (1418, 61250), (1750, 49630), (2450, 35450), (2500, 34741), (2836, 30625), (3500, 24815), (3545, 24500), (4375, 19852), (4900, 17725), (4963, 17500), (6125, 14180), (7090, 12250), (8750, 9926)]