203223540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260543}}^1$

素因数の和:260568

約数の個数: 48

約数和(自身を含む): 612799488

約数和(自身を除く): 409575948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 260543, 521086, 781629, 1042172, 1302715, 1563258, 2605430, 3126516, 3387059, 3908145, 5210860, 6774118, 7816290, 10161177, 13548236, 15632580, 16935295, 20322354, 33870590, 40644708, 50805885, 67741180, 101611770, 203223540]

約数ペア:

[(1, 203223540), (2, 101611770), (3, 67741180), (4, 50805885), (5, 40644708), (6, 33870590), (10, 20322354), (12, 16935295), (13, 15632580), (15, 13548236), (20, 10161177), (26, 7816290), (30, 6774118), (39, 5210860), (52, 3908145), (60, 3387059), (65, 3126516), (78, 2605430), (130, 1563258), (156, 1302715), (195, 1042172), (260, 781629), (390, 521086), (780, 260543)]