25077710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 53434080

約数和(自身を除く): 28356370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 839, 854, 1678, 2135, 2989, 4195, 4270, 5873, 5978, 8390, 11746, 14945, 29365, 29890, 41111, 51179, 58730, 82222, 102358, 205555, 255895, 358253, 411110, 511790, 716506, 1791265, 2507771, 3582530, 5015542, 12538855, 25077710]

約数ペア:

[(1, 25077710), (2, 12538855), (5, 5015542), (7, 3582530), (10, 2507771), (14, 1791265), (35, 716506), (49, 511790), (61, 411110), (70, 358253), (98, 255895), (122, 205555), (245, 102358), (305, 82222), (427, 58730), (490, 51179), (610, 41111), (839, 29890), (854, 29365), (1678, 14945), (2135, 11746), (2989, 8390), (4195, 5978), (4270, 5873)]