261657250

素因数分解:

$2^1\times 5^3\times {\mathrm{937}}^1\times {\mathrm{1117}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 490784112

約数和(自身を除く): 229126862

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 937, 1117, 1874, 2234, 4685, 5585, 9370, 11170, 23425, 27925, 46850, 55850, 117125, 139625, 234250, 279250, 1046629, 2093258, 5233145, 10466290, 26165725, 52331450, 130828625, 261657250]

約数ペア:

[(1, 261657250), (2, 130828625), (5, 52331450), (10, 26165725), (25, 10466290), (50, 5233145), (125, 2093258), (250, 1046629), (937, 279250), (1117, 234250), (1874, 139625), (2234, 117125), (4685, 55850), (5585, 46850), (9370, 27925), (11170, 23425)]