2920148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 6720000

約数和(自身を除く): 3799852

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 499, 532, 836, 998, 1463, 1996, 2926, 3493, 5489, 5852, 6986, 9481, 10978, 13972, 18962, 21956, 37924, 38423, 66367, 76846, 104291, 132734, 153692, 208582, 265468, 417164, 730037, 1460074, 2920148]

約数ペア:

[(1, 2920148), (2, 1460074), (4, 730037), (7, 417164), (11, 265468), (14, 208582), (19, 153692), (22, 132734), (28, 104291), (38, 76846), (44, 66367), (76, 38423), (77, 37924), (133, 21956), (154, 18962), (209, 13972), (266, 10978), (308, 9481), (418, 6986), (499, 5852), (532, 5489), (836, 3493), (998, 2926), (1463, 1996)]