2425161890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1799

約数の個数: 48

約数和(自身を含む): 4527423720

約数和(自身を除く): 2102261830

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 1621, 1681, 3242, 3362, 3649, 7298, 8105, 8405, 16210, 16810, 18245, 36490, 66461, 132922, 144269, 149609, 288538, 299218, 332305, 664610, 721345, 748045, 1442690, 1496090, 2724901, 5449802, 5915029, 11830058, 13624505, 27249010, 29575145, 59150290, 242516189, 485032378, 1212580945, 2425161890]

約数ペア:

[(1, 2425161890), (2, 1212580945), (5, 485032378), (10, 242516189), (41, 59150290), (82, 29575145), (89, 27249010), (178, 13624505), (205, 11830058), (410, 5915029), (445, 5449802), (890, 2724901), (1621, 1496090), (1681, 1442690), (3242, 748045), (3362, 721345), (3649, 664610), (7298, 332305), (8105, 299218), (8405, 288538), (16210, 149609), (16810, 144269), (18245, 132922), (36490, 66461)]