285439220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1297451}}^1$

素因数の和:1297471

約数の個数: 24

約数和(自身を含む): 653915808

約数和(自身を除く): 368476588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1297451, 2594902, 5189804, 6487255, 12974510, 14271961, 25949020, 28543922, 57087844, 71359805, 142719610, 285439220]

約数ペア:

[(1, 285439220), (2, 142719610), (4, 71359805), (5, 57087844), (10, 28543922), (11, 25949020), (20, 14271961), (22, 12974510), (44, 6487255), (55, 5189804), (110, 2594902), (220, 1297451)]