13909000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2015

約数の個数: 64

約数和(自身を含む): 37215360

約数和(自身を除く): 23306360

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, 700, 875, 1000, 1400, 1750, 1987, 3500, 3974, 7000, 7948, 9935, 13909, 15896, 19870, 27818, 39740, 49675, 55636, 69545, 79480, 99350, 111272, 139090, 198700, 248375, 278180, 347725, 397400, 496750, 556360, 695450, 993500, 1390900, 1738625, 1987000, 2781800, 3477250, 6954500, 13909000]

約数ペア:

[(1, 13909000), (2, 6954500), (4, 3477250), (5, 2781800), (7, 1987000), (8, 1738625), (10, 1390900), (14, 993500), (20, 695450), (25, 556360), (28, 496750), (35, 397400), (40, 347725), (50, 278180), (56, 248375), (70, 198700), (100, 139090), (125, 111272), (140, 99350), (175, 79480), (200, 69545), (250, 55636), (280, 49675), (350, 39740), (500, 27818), (700, 19870), (875, 15896), (1000, 13909), (1400, 9935), (1750, 7948), (1987, 7000), (3500, 3974)]