342563980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1557109}}^1$

素因数の和:1557129

約数の個数: 24

約数和(自身を含む): 784783440

約数和(自身を除く): 442219460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1557109, 3114218, 6228436, 7785545, 15571090, 17128199, 31142180, 34256398, 68512796, 85640995, 171281990, 342563980]

約数ペア:

[(1, 342563980), (2, 171281990), (4, 85640995), (5, 68512796), (10, 34256398), (11, 31142180), (20, 17128199), (22, 15571090), (44, 7785545), (55, 6228436), (110, 3114218), (220, 1557109)]