1540220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7001}}^1$

素因数の和:7021

約数の個数: 24

約数和(自身を含む): 3529008

約数和(自身を除く): 1988788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7001, 14002, 28004, 35005, 70010, 77011, 140020, 154022, 308044, 385055, 770110, 1540220]

約数ペア:

[(1, 1540220), (2, 770110), (4, 385055), (5, 308044), (10, 154022), (11, 140020), (20, 77011), (22, 70010), (44, 35005), (55, 28004), (110, 14002), (220, 7001)]