1112720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2007

約数の個数: 40

約数和(自身を含む): 2958144

約数和(自身を除く): 1845424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1987, 3974, 7948, 9935, 13909, 15896, 19870, 27818, 31792, 39740, 55636, 69545, 79480, 111272, 139090, 158960, 222544, 278180, 556360, 1112720]

約数ペア:

[(1, 1112720), (2, 556360), (4, 278180), (5, 222544), (7, 158960), (8, 139090), (10, 111272), (14, 79480), (16, 69545), (20, 55636), (28, 39740), (35, 31792), (40, 27818), (56, 19870), (70, 15896), (80, 13909), (112, 9935), (140, 7948), (280, 3974), (560, 1987)]