160990420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{919}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 357033600

約数和(自身を除く): 196043180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 461, 919, 922, 1838, 1844, 2305, 3676, 4595, 4610, 8759, 9190, 9220, 17461, 17518, 18380, 34922, 35036, 43795, 69844, 87305, 87590, 174610, 175180, 349220, 423659, 847318, 1694636, 2118295, 4236590, 8049521, 8473180, 16099042, 32198084, 40247605, 80495210, 160990420]

約数ペア:

[(1, 160990420), (2, 80495210), (4, 40247605), (5, 32198084), (10, 16099042), (19, 8473180), (20, 8049521), (38, 4236590), (76, 2118295), (95, 1694636), (190, 847318), (380, 423659), (461, 349220), (919, 175180), (922, 174610), (1838, 87590), (1844, 87305), (2305, 69844), (3676, 43795), (4595, 35036), (4610, 34922), (8759, 18380), (9190, 17518), (9220, 17461)]