2738440

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 6209280

約数和(自身を除く): 3470840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 307, 446, 614, 892, 1115, 1228, 1535, 1784, 2230, 2456, 3070, 4460, 6140, 8920, 12280, 68461, 136922, 273844, 342305, 547688, 684610, 1369220, 2738440]

約数ペア:

[(1, 2738440), (2, 1369220), (4, 684610), (5, 547688), (8, 342305), (10, 273844), (20, 136922), (40, 68461), (223, 12280), (307, 8920), (446, 6140), (614, 4460), (892, 3070), (1115, 2456), (1228, 2230), (1535, 1784)]