2199260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 5515776

約数和(自身を除く): 3316516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 683, 805, 1366, 1610, 2732, 3220, 3415, 4781, 6830, 9562, 13660, 15709, 19124, 23905, 31418, 47810, 62836, 78545, 95620, 109963, 157090, 219926, 314180, 439852, 549815, 1099630, 2199260]

約数ペア:

[(1, 2199260), (2, 1099630), (4, 549815), (5, 439852), (7, 314180), (10, 219926), (14, 157090), (20, 109963), (23, 95620), (28, 78545), (35, 62836), (46, 47810), (70, 31418), (92, 23905), (115, 19124), (140, 15709), (161, 13660), (230, 9562), (322, 6830), (460, 4781), (644, 3415), (683, 3220), (805, 2732), (1366, 1610)]