2018353640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1\times {\mathrm{1021}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 4614820560

約数和(自身を除く): 2596466920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 677, 730, 1021, 1354, 1460, 2042, 2708, 2920, 3385, 4084, 5105, 5416, 6770, 8168, 10210, 13540, 20420, 27080, 40840, 49421, 74533, 98842, 149066, 197684, 247105, 298132, 372665, 395368, 494210, 596264, 691217, 745330, 988420, 1382434, 1490660, 1976840, 2764868, 2981320, 3456085, 5529736, 6912170, 13824340, 27648680, 50458841, 100917682, 201835364, 252294205, 403670728, 504588410, 1009176820, 2018353640]

約数ペア:

[(1, 2018353640), (2, 1009176820), (4, 504588410), (5, 403670728), (8, 252294205), (10, 201835364), (20, 100917682), (40, 50458841), (73, 27648680), (146, 13824340), (292, 6912170), (365, 5529736), (584, 3456085), (677, 2981320), (730, 2764868), (1021, 1976840), (1354, 1490660), (1460, 1382434), (2042, 988420), (2708, 745330), (2920, 691217), (3385, 596264), (4084, 494210), (5105, 395368), (5416, 372665), (6770, 298132), (8168, 247105), (10210, 197684), (13540, 149066), (20420, 98842), (27080, 74533), (40840, 49421)]