822140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 1953504

約数和(自身を除く): 1131364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 101, 110, 148, 185, 202, 220, 370, 404, 407, 505, 740, 814, 1010, 1111, 1628, 2020, 2035, 2222, 3737, 4070, 4444, 5555, 7474, 8140, 11110, 14948, 18685, 22220, 37370, 41107, 74740, 82214, 164428, 205535, 411070, 822140]

約数ペア:

[(1, 822140), (2, 411070), (4, 205535), (5, 164428), (10, 82214), (11, 74740), (20, 41107), (22, 37370), (37, 22220), (44, 18685), (55, 14948), (74, 11110), (101, 8140), (110, 7474), (148, 5555), (185, 4444), (202, 4070), (220, 3737), (370, 2222), (404, 2035), (407, 2020), (505, 1628), (740, 1111), (814, 1010)]