42894040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 110880000

約数和(自身を除く): 67985960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 499, 614, 998, 1228, 1535, 1996, 2149, 2456, 2495, 3070, 3493, 3992, 4298, 4990, 6140, 6986, 8596, 9980, 10745, 12280, 13972, 17192, 17465, 19960, 21490, 27944, 34930, 42980, 69860, 85960, 139720, 153193, 306386, 612772, 765965, 1072351, 1225544, 1531930, 2144702, 3063860, 4289404, 5361755, 6127720, 8578808, 10723510, 21447020, 42894040]

約数ペア:

[(1, 42894040), (2, 21447020), (4, 10723510), (5, 8578808), (7, 6127720), (8, 5361755), (10, 4289404), (14, 3063860), (20, 2144702), (28, 1531930), (35, 1225544), (40, 1072351), (56, 765965), (70, 612772), (140, 306386), (280, 153193), (307, 139720), (499, 85960), (614, 69860), (998, 42980), (1228, 34930), (1535, 27944), (1996, 21490), (2149, 19960), (2456, 17465), (2495, 17192), (3070, 13972), (3493, 12280), (3992, 10745), (4298, 9980), (4990, 8596), (6140, 6986)]