161036921260

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1999}}^1\times {\mathrm{29401}}^1$

素因数の和:31546

約数の個数: 48

約数和(自身を含む): 340827984000

約数和(自身を除く): 179791062740

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1999, 2740, 3998, 7996, 9995, 19990, 29401, 39980, 58802, 117604, 147005, 273863, 294010, 547726, 588020, 1095452, 1369315, 2738630, 4027937, 5477260, 8055874, 16111748, 20139685, 40279370, 58772599, 80558740, 117545198, 235090396, 293862995, 587725990, 1175451980, 8051846063, 16103692126, 32207384252, 40259230315, 80518460630, 161036921260]

約数ペア:

[(1, 161036921260), (2, 80518460630), (4, 40259230315), (5, 32207384252), (10, 16103692126), (20, 8051846063), (137, 1175451980), (274, 587725990), (548, 293862995), (685, 235090396), (1370, 117545198), (1999, 80558740), (2740, 58772599), (3998, 40279370), (7996, 20139685), (9995, 16111748), (19990, 8055874), (29401, 5477260), (39980, 4027937), (58802, 2738630), (117604, 1369315), (147005, 1095452), (273863, 588020), (294010, 547726)]