123386380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{24977}}^1$

素因数の和:25018

約数の個数: 48

約数和(自身を含む): 293741280

約数和(自身を除く): 170354900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 24977, 49954, 99908, 124885, 249770, 324701, 474563, 499540, 649402, 949126, 1298804, 1623505, 1898252, 2372815, 3247010, 4745630, 6169319, 6494020, 9491260, 12338638, 24677276, 30846595, 61693190, 123386380]

約数ペア:

[(1, 123386380), (2, 61693190), (4, 30846595), (5, 24677276), (10, 12338638), (13, 9491260), (19, 6494020), (20, 6169319), (26, 4745630), (38, 3247010), (52, 2372815), (65, 1898252), (76, 1623505), (95, 1298804), (130, 949126), (190, 649402), (247, 499540), (260, 474563), (380, 324701), (494, 249770), (988, 124885), (1235, 99908), (2470, 49954), (4940, 24977)]