90731140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 198132480

約数和(自身を除く): 107401340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 311, 503, 580, 622, 1006, 1244, 1555, 2012, 2515, 3110, 5030, 6220, 9019, 10060, 14587, 18038, 29174, 36076, 45095, 58348, 72935, 90190, 145870, 156433, 180380, 291740, 312866, 625732, 782165, 1564330, 3128660, 4536557, 9073114, 18146228, 22682785, 45365570, 90731140]

約数ペア:

[(1, 90731140), (2, 45365570), (4, 22682785), (5, 18146228), (10, 9073114), (20, 4536557), (29, 3128660), (58, 1564330), (116, 782165), (145, 625732), (290, 312866), (311, 291740), (503, 180380), (580, 156433), (622, 145870), (1006, 90190), (1244, 72935), (1555, 58348), (2012, 45095), (2515, 36076), (3110, 29174), (5030, 18038), (6220, 14587), (9019, 10060)]