10955980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 26530560

約数和(自身を除く): 15574580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 563, 695, 973, 1126, 1390, 1946, 2252, 2780, 2815, 3892, 3941, 4865, 5630, 7882, 9730, 11260, 15764, 19460, 19705, 39410, 78257, 78820, 156514, 313028, 391285, 547799, 782570, 1095598, 1565140, 2191196, 2738995, 5477990, 10955980]

約数ペア:

[(1, 10955980), (2, 5477990), (4, 2738995), (5, 2191196), (7, 1565140), (10, 1095598), (14, 782570), (20, 547799), (28, 391285), (35, 313028), (70, 156514), (139, 78820), (140, 78257), (278, 39410), (556, 19705), (563, 19460), (695, 15764), (973, 11260), (1126, 9730), (1390, 7882), (1946, 5630), (2252, 4865), (2780, 3941), (2815, 3892)]