9710540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 23520000

約数和(自身を除く): 13809460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 499, 556, 695, 973, 998, 1390, 1946, 1996, 2495, 2780, 3493, 3892, 4865, 4990, 6986, 9730, 9980, 13972, 17465, 19460, 34930, 69361, 69860, 138722, 277444, 346805, 485527, 693610, 971054, 1387220, 1942108, 2427635, 4855270, 9710540]

約数ペア:

[(1, 9710540), (2, 4855270), (4, 2427635), (5, 1942108), (7, 1387220), (10, 971054), (14, 693610), (20, 485527), (28, 346805), (35, 277444), (70, 138722), (139, 69860), (140, 69361), (278, 34930), (499, 19460), (556, 17465), (695, 13972), (973, 9980), (998, 9730), (1390, 6986), (1946, 4990), (1996, 4865), (2495, 3892), (2780, 3493)]