217405550

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1433

約数の個数: 48

約数和(自身を含む): 419116032

約数和(自身を除く): 201710482

約数列:

[1, 2, 5, 10, 25, 47, 50, 71, 94, 142, 235, 355, 470, 710, 1175, 1303, 1775, 2350, 2606, 3337, 3550, 6515, 6674, 13030, 16685, 32575, 33370, 61241, 65150, 83425, 92513, 122482, 166850, 185026, 306205, 462565, 612410, 925130, 1531025, 2312825, 3062050, 4348111, 4625650, 8696222, 21740555, 43481110, 108702775, 217405550]

約数ペア:

[(1, 217405550), (2, 108702775), (5, 43481110), (10, 21740555), (25, 8696222), (47, 4625650), (50, 4348111), (71, 3062050), (94, 2312825), (142, 1531025), (235, 925130), (355, 612410), (470, 462565), (710, 306205), (1175, 185026), (1303, 166850), (1775, 122482), (2350, 92513), (2606, 83425), (3337, 65150), (3550, 61241), (6515, 33370), (6674, 32575), (13030, 16685)]