219200220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8761}}^1$

素因数の和:8915

約数の個数: 72

約数和(自身を含む): 669767280

約数和(自身を除く): 450567060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 8761, 12510, 17522, 25020, 26283, 35044, 43805, 52566, 78849, 87610, 105132, 131415, 157698, 175220, 262830, 315396, 394245, 525660, 788490, 1217779, 1576980, 2435558, 3653337, 4871116, 6088895, 7306674, 10960011, 12177790, 14613348, 18266685, 21920022, 24355580, 36533370, 43840044, 54800055, 73066740, 109600110, 219200220]

約数ペア:

[(1, 219200220), (2, 109600110), (3, 73066740), (4, 54800055), (5, 43840044), (6, 36533370), (9, 24355580), (10, 21920022), (12, 18266685), (15, 14613348), (18, 12177790), (20, 10960011), (30, 7306674), (36, 6088895), (45, 4871116), (60, 3653337), (90, 2435558), (139, 1576980), (180, 1217779), (278, 788490), (417, 525660), (556, 394245), (695, 315396), (834, 262830), (1251, 175220), (1390, 157698), (1668, 131415), (2085, 105132), (2502, 87610), (2780, 78849), (4170, 52566), (5004, 43805), (6255, 35044), (8340, 26283), (8761, 25020), (12510, 17522)]