220180855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 289453824

約数和(自身を除く): 69272969

約数列:

[1, 5, 17, 43, 85, 107, 215, 535, 563, 731, 1819, 2815, 3655, 4601, 9095, 9571, 23005, 24209, 47855, 60241, 78217, 121045, 301205, 391085, 411553, 1024097, 2057765, 2590363, 5120485, 12951815, 44036171, 220180855]

約数ペア:

[(1, 220180855), (5, 44036171), (17, 12951815), (43, 5120485), (85, 2590363), (107, 2057765), (215, 1024097), (535, 411553), (563, 391085), (731, 301205), (1819, 121045), (2815, 78217), (3655, 60241), (4601, 47855), (9095, 24209), (9571, 23005)]