4450880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2011

約数の個数: 56

約数和(自身を含む): 12118848

約数和(自身を除く): 7667968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 1987, 2240, 3974, 7948, 9935, 13909, 15896, 19870, 27818, 31792, 39740, 55636, 63584, 69545, 79480, 111272, 127168, 139090, 158960, 222544, 278180, 317920, 445088, 556360, 635840, 890176, 1112720, 2225440, 4450880]

約数ペア:

[(1, 4450880), (2, 2225440), (4, 1112720), (5, 890176), (7, 635840), (8, 556360), (10, 445088), (14, 317920), (16, 278180), (20, 222544), (28, 158960), (32, 139090), (35, 127168), (40, 111272), (56, 79480), (64, 69545), (70, 63584), (80, 55636), (112, 39740), (140, 31792), (160, 27818), (224, 19870), (280, 15896), (320, 13909), (448, 9935), (560, 7948), (1120, 3974), (1987, 2240)]