386161520

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{13831}}^1$

素因数の和:14193

約数の個数: 40

約数和(自身を含む): 900463200

約数和(自身を除く): 514301680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 13831, 13960, 27662, 27920, 55324, 69155, 110648, 138310, 221296, 276620, 553240, 1106480, 4827019, 9654038, 19308076, 24135095, 38616152, 48270190, 77232304, 96540380, 193080760, 386161520]

約数ペア:

[(1, 386161520), (2, 193080760), (4, 96540380), (5, 77232304), (8, 48270190), (10, 38616152), (16, 24135095), (20, 19308076), (40, 9654038), (80, 4827019), (349, 1106480), (698, 553240), (1396, 276620), (1745, 221296), (2792, 138310), (3490, 110648), (5584, 69155), (6980, 55324), (13831, 27920), (13960, 27662)]