2991920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 7030800

約数和(自身を除く): 4038880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 251, 298, 502, 596, 745, 1004, 1192, 1255, 1490, 2008, 2384, 2510, 2980, 4016, 5020, 5960, 10040, 11920, 20080, 37399, 74798, 149596, 186995, 299192, 373990, 598384, 747980, 1495960, 2991920]

約数ペア:

[(1, 2991920), (2, 1495960), (4, 747980), (5, 598384), (8, 373990), (10, 299192), (16, 186995), (20, 149596), (40, 74798), (80, 37399), (149, 20080), (251, 11920), (298, 10040), (502, 5960), (596, 5020), (745, 4016), (1004, 2980), (1192, 2510), (1255, 2384), (1490, 2008)]