28562590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 60722784

約数和(自身を除く): 32160194

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 821, 994, 1642, 2485, 3479, 4105, 4970, 5747, 6958, 8210, 11494, 17395, 28735, 34790, 40229, 57470, 58291, 80458, 116582, 201145, 291455, 402290, 408037, 582910, 816074, 2040185, 2856259, 4080370, 5712518, 14281295, 28562590]

約数ペア:

[(1, 28562590), (2, 14281295), (5, 5712518), (7, 4080370), (10, 2856259), (14, 2040185), (35, 816074), (49, 582910), (70, 408037), (71, 402290), (98, 291455), (142, 201145), (245, 116582), (355, 80458), (490, 58291), (497, 57470), (710, 40229), (821, 34790), (994, 28735), (1642, 17395), (2485, 11494), (3479, 8210), (4105, 6958), (4970, 5747)]