1900278640280

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{103051987}}^1$

素因数の和:103052459

約数の個数: 32

約数和(自身を含む): 4284901661040

約数和(自身を除く): 2384623020760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 103051987, 206103974, 412207948, 515259935, 824415896, 1030519870, 2061039740, 4122079480, 47506966007, 95013932014, 190027864028, 237534830035, 380055728056, 475069660070, 950139320140, 1900278640280]

約数ペア:

[(1, 1900278640280), (2, 950139320140), (4, 475069660070), (5, 380055728056), (8, 237534830035), (10, 190027864028), (20, 95013932014), (40, 47506966007), (461, 4122079480), (922, 2061039740), (1844, 1030519870), (2305, 824415896), (3688, 515259935), (4610, 412207948), (9220, 206103974), (18440, 103051987)]