142719940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9137}}^1$

素因数の和:9228

約数の個数: 48

約数和(自身を含む): 331599744

約数和(自身を除く): 188879804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 9137, 15620, 18274, 36548, 45685, 91370, 100507, 182740, 201014, 402028, 502535, 648727, 1005070, 1297454, 2010140, 2594908, 3243635, 6487270, 7135997, 12974540, 14271994, 28543988, 35679985, 71359970, 142719940]

約数ペア:

[(1, 142719940), (2, 71359970), (4, 35679985), (5, 28543988), (10, 14271994), (11, 12974540), (20, 7135997), (22, 6487270), (44, 3243635), (55, 2594908), (71, 2010140), (110, 1297454), (142, 1005070), (220, 648727), (284, 502535), (355, 402028), (710, 201014), (781, 182740), (1420, 100507), (1562, 91370), (3124, 45685), (3905, 36548), (7810, 18274), (9137, 15620)]