12227620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 14383580

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 109, 142, 158, 218, 284, 316, 355, 395, 436, 545, 710, 790, 1090, 1420, 1580, 2180, 5609, 7739, 8611, 11218, 15478, 17222, 22436, 28045, 30956, 34444, 38695, 43055, 56090, 77390, 86110, 112180, 154780, 172220, 611381, 1222762, 2445524, 3056905, 6113810, 12227620]

約数ペア:

[(1, 12227620), (2, 6113810), (4, 3056905), (5, 2445524), (10, 1222762), (20, 611381), (71, 172220), (79, 154780), (109, 112180), (142, 86110), (158, 77390), (218, 56090), (284, 43055), (316, 38695), (355, 34444), (395, 30956), (436, 28045), (545, 22436), (710, 17222), (790, 15478), (1090, 11218), (1420, 8611), (1580, 7739), (2180, 5609)]