38280220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{911}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 88252416

約数和(自身を除く): 49972196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 911, 955, 1822, 1910, 2101, 3644, 3820, 4202, 4555, 8404, 9110, 10021, 10505, 18220, 20042, 21010, 40084, 42020, 50105, 100210, 174001, 200420, 348002, 696004, 870005, 1740010, 1914011, 3480020, 3828022, 7656044, 9570055, 19140110, 38280220]

約数ペア:

[(1, 38280220), (2, 19140110), (4, 9570055), (5, 7656044), (10, 3828022), (11, 3480020), (20, 1914011), (22, 1740010), (44, 870005), (55, 696004), (110, 348002), (191, 200420), (220, 174001), (382, 100210), (764, 50105), (911, 42020), (955, 40084), (1822, 21010), (1910, 20042), (2101, 18220), (3644, 10505), (3820, 10021), (4202, 9110), (4555, 8404)]