390778852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{18169}}^1$

素因数の和:18475

約数の個数: 24

約数和(自身を含む): 722439200

約数和(自身を除く): 331660348

約数列:

[1, 2, 4, 19, 38, 76, 283, 566, 1132, 5377, 10754, 18169, 21508, 36338, 72676, 345211, 690422, 1380844, 5141827, 10283654, 20567308, 97694713, 195389426, 390778852]

約数ペア:

[(1, 390778852), (2, 195389426), (4, 97694713), (19, 20567308), (38, 10283654), (76, 5141827), (283, 1380844), (566, 690422), (1132, 345211), (5377, 72676), (10754, 36338), (18169, 21508)]