56677880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2851}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 147847680

約数和(自身を除く): 91169800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 2851, 3976, 4970, 5702, 9940, 11404, 14255, 19880, 19957, 22808, 28510, 39914, 57020, 79828, 99785, 114040, 159656, 199570, 202421, 399140, 404842, 798280, 809684, 1012105, 1416947, 1619368, 2024210, 2833894, 4048420, 5667788, 7084735, 8096840, 11335576, 14169470, 28338940, 56677880]

約数ペア:

[(1, 56677880), (2, 28338940), (4, 14169470), (5, 11335576), (7, 8096840), (8, 7084735), (10, 5667788), (14, 4048420), (20, 2833894), (28, 2024210), (35, 1619368), (40, 1416947), (56, 1012105), (70, 809684), (71, 798280), (140, 404842), (142, 399140), (280, 202421), (284, 199570), (355, 159656), (497, 114040), (568, 99785), (710, 79828), (994, 57020), (1420, 39914), (1988, 28510), (2485, 22808), (2840, 19957), (2851, 19880), (3976, 14255), (4970, 11404), (5702, 9940)]