172029220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{781951}}^1$

素因数の和:781971

約数の個数: 24

約数和(自身を含む): 394103808

約数和(自身を除く): 222074588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 781951, 1563902, 3127804, 3909755, 7819510, 8601461, 15639020, 17202922, 34405844, 43007305, 86014610, 172029220]

約数ペア:

[(1, 172029220), (2, 86014610), (4, 43007305), (5, 34405844), (10, 17202922), (11, 15639020), (20, 8601461), (22, 7819510), (44, 3909755), (55, 3127804), (110, 1563902), (220, 781951)]