221328500

素因数分解:

$2^2\times 5^3\times {\mathrm{229}}^1\times {\mathrm{1933}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 485743440

約数和(自身を除く): 264414940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 229, 250, 458, 500, 916, 1145, 1933, 2290, 3866, 4580, 5725, 7732, 9665, 11450, 19330, 22900, 28625, 38660, 48325, 57250, 96650, 114500, 193300, 241625, 442657, 483250, 885314, 966500, 1770628, 2213285, 4426570, 8853140, 11066425, 22132850, 44265700, 55332125, 110664250, 221328500]

約数ペア:

[(1, 221328500), (2, 110664250), (4, 55332125), (5, 44265700), (10, 22132850), (20, 11066425), (25, 8853140), (50, 4426570), (100, 2213285), (125, 1770628), (229, 966500), (250, 885314), (458, 483250), (500, 442657), (916, 241625), (1145, 193300), (1933, 114500), (2290, 96650), (3866, 57250), (4580, 48325), (5725, 38660), (7732, 28625), (9665, 22900), (11450, 19330)]