1799920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 40

約数和(自身を含む): 4240800

約数和(自身を除く): 2440880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 151, 298, 302, 596, 604, 745, 755, 1192, 1208, 1490, 1510, 2384, 2416, 2980, 3020, 5960, 6040, 11920, 12080, 22499, 44998, 89996, 112495, 179992, 224990, 359984, 449980, 899960, 1799920]

約数ペア:

[(1, 1799920), (2, 899960), (4, 449980), (5, 359984), (8, 224990), (10, 179992), (16, 112495), (20, 89996), (40, 44998), (80, 22499), (149, 12080), (151, 11920), (298, 6040), (302, 5960), (596, 3020), (604, 2980), (745, 2416), (755, 2384), (1192, 1510), (1208, 1490)]