1811700220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{14627}}^1$

素因数の和:15210

約数の個数: 48

約数和(自身を含む): 4158096768

約数和(自身を除く): 2346396548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 563, 1126, 2252, 2815, 5630, 6193, 11260, 12386, 14627, 24772, 29254, 30965, 58508, 61930, 73135, 123860, 146270, 160897, 292540, 321794, 643588, 804485, 1608970, 3217940, 8235001, 16470002, 32940004, 41175005, 82350010, 90585011, 164700020, 181170022, 362340044, 452925055, 905850110, 1811700220]

約数ペア:

[(1, 1811700220), (2, 905850110), (4, 452925055), (5, 362340044), (10, 181170022), (11, 164700020), (20, 90585011), (22, 82350010), (44, 41175005), (55, 32940004), (110, 16470002), (220, 8235001), (563, 3217940), (1126, 1608970), (2252, 804485), (2815, 643588), (5630, 321794), (6193, 292540), (11260, 160897), (12386, 146270), (14627, 123860), (24772, 73135), (29254, 61930), (30965, 58508)]