317462900

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{8161}}^1$

素因数の和:8564

約数の個数: 36

約数和(自身を含む): 690750060

約数和(自身を除く): 373287160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1945, 3890, 7780, 8161, 9725, 16322, 19450, 32644, 38900, 40805, 81610, 163220, 204025, 408050, 816100, 3174629, 6349258, 12698516, 15873145, 31746290, 63492580, 79365725, 158731450, 317462900]

約数ペア:

[(1, 317462900), (2, 158731450), (4, 79365725), (5, 63492580), (10, 31746290), (20, 15873145), (25, 12698516), (50, 6349258), (100, 3174629), (389, 816100), (778, 408050), (1556, 204025), (1945, 163220), (3890, 81610), (7780, 40805), (8161, 38900), (9725, 32644), (16322, 19450)]