248974990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{449}}^1$

素因数の和:609

約数の個数: 48

約数和(自身を含む): 496983600

約数和(自身を除く): 248008610

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 449, 710, 781, 898, 1562, 2245, 3905, 4490, 4939, 5041, 7810, 9878, 10082, 24695, 25205, 31879, 49390, 50410, 55451, 63758, 110902, 159395, 277255, 318790, 350669, 554510, 701338, 1753345, 2263409, 3506690, 4526818, 11317045, 22634090, 24897499, 49794998, 124487495, 248974990]

約数ペア:

[(1, 248974990), (2, 124487495), (5, 49794998), (10, 24897499), (11, 22634090), (22, 11317045), (55, 4526818), (71, 3506690), (110, 2263409), (142, 1753345), (355, 701338), (449, 554510), (710, 350669), (781, 318790), (898, 277255), (1562, 159395), (2245, 110902), (3905, 63758), (4490, 55451), (4939, 50410), (5041, 49390), (7810, 31879), (9878, 25205), (10082, 24695)]