123787790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{24907}}^1$

素因数の和:24992

約数の個数: 32

約数和(自身を含む): 258246144

約数和(自身を除く): 134458354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 24907, 49814, 124535, 174349, 249070, 348698, 871745, 1743490, 1768397, 3536794, 8841985, 12378779, 17683970, 24757558, 61893895, 123787790]

約数ペア:

[(1, 123787790), (2, 61893895), (5, 24757558), (7, 17683970), (10, 12378779), (14, 8841985), (35, 3536794), (70, 1768397), (71, 1743490), (142, 871745), (355, 348698), (497, 249070), (710, 174349), (994, 124535), (2485, 49814), (4970, 24907)]