223855390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{20149}}^1$

素因数の和:20268

約数の個数: 32

約数和(自身を含む): 443944800

約数和(自身を除く): 220089410

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 20149, 40298, 100745, 201490, 221639, 443278, 1108195, 2035049, 2216390, 4070098, 10175245, 20350490, 22385539, 44771078, 111927695, 223855390]

約数ペア:

[(1, 223855390), (2, 111927695), (5, 44771078), (10, 22385539), (11, 20350490), (22, 10175245), (55, 4070098), (101, 2216390), (110, 2035049), (202, 1108195), (505, 443278), (1010, 221639), (1111, 201490), (2222, 100745), (5555, 40298), (11110, 20149)]