22209220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 51283008

約数和(自身を除く): 29073788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 643, 785, 1286, 1570, 1727, 2572, 3140, 3215, 3454, 6430, 6908, 7073, 8635, 12860, 14146, 17270, 28292, 34540, 35365, 70730, 100951, 141460, 201902, 403804, 504755, 1009510, 1110461, 2019020, 2220922, 4441844, 5552305, 11104610, 22209220]

約数ペア:

[(1, 22209220), (2, 11104610), (4, 5552305), (5, 4441844), (10, 2220922), (11, 2019020), (20, 1110461), (22, 1009510), (44, 504755), (55, 403804), (110, 201902), (157, 141460), (220, 100951), (314, 70730), (628, 35365), (643, 34540), (785, 28292), (1286, 17270), (1570, 14146), (1727, 12860), (2572, 8635), (3140, 7073), (3215, 6908), (3454, 6430)]