123034840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28219}}^1$

素因数の和:28339

約数の個数: 32

約数和(自身を含む): 279378000

約数和(自身を除く): 156343160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 28219, 56438, 112876, 141095, 225752, 282190, 564380, 1128760, 3075871, 6151742, 12303484, 15379355, 24606968, 30758710, 61517420, 123034840]

約数ペア:

[(1, 123034840), (2, 61517420), (4, 30758710), (5, 24606968), (8, 15379355), (10, 12303484), (20, 6151742), (40, 3075871), (109, 1128760), (218, 564380), (436, 282190), (545, 225752), (872, 141095), (1090, 112876), (2180, 56438), (4360, 28219)]