2489667050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{72269}}^1$

素因数の和:72347

約数の個数: 48

約数和(自身を含む): 5081159160

約数和(自身を除く): 2591492110

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 2650, 3445, 6890, 17225, 34450, 72269, 144538, 361345, 722690, 939497, 1806725, 1878994, 3613450, 3830257, 4697485, 7660514, 9394970, 19151285, 23487425, 38302570, 46974850, 49793341, 95756425, 99586682, 191512850, 248966705, 497933410, 1244833525, 2489667050]

約数ペア:

[(1, 2489667050), (2, 1244833525), (5, 497933410), (10, 248966705), (13, 191512850), (25, 99586682), (26, 95756425), (50, 49793341), (53, 46974850), (65, 38302570), (106, 23487425), (130, 19151285), (265, 9394970), (325, 7660514), (530, 4697485), (650, 3830257), (689, 3613450), (1325, 1878994), (1378, 1806725), (2650, 939497), (3445, 722690), (6890, 361345), (17225, 144538), (34450, 72269)]