2900455640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3816389}}^1$

素因数の和:3816419

約数の個数: 32

約数和(自身を含む): 6869502000

約数和(自身を除く): 3969046360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3816389, 7632778, 15265556, 19081945, 30531112, 38163890, 72511391, 76327780, 145022782, 152655560, 290045564, 362556955, 580091128, 725113910, 1450227820, 2900455640]

約数ペア:

[(1, 2900455640), (2, 1450227820), (4, 725113910), (5, 580091128), (8, 362556955), (10, 290045564), (19, 152655560), (20, 145022782), (38, 76327780), (40, 72511391), (76, 38163890), (95, 30531112), (152, 19081945), (190, 15265556), (380, 7632778), (760, 3816389)]