2699380

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 5715360

約数和(自身を除く): 3015980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 971, 1390, 1942, 2780, 3884, 4855, 9710, 19420, 134969, 269938, 539876, 674845, 1349690, 2699380]

約数ペア:

[(1, 2699380), (2, 1349690), (4, 674845), (5, 539876), (10, 269938), (20, 134969), (139, 19420), (278, 9710), (556, 4855), (695, 3884), (971, 2780), (1390, 1942)]