2990372

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 7086240

約数和(自身を除く): 4095868

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 73, 76, 77, 98, 133, 146, 154, 196, 209, 266, 292, 308, 418, 511, 532, 539, 803, 836, 931, 1022, 1078, 1387, 1463, 1606, 1862, 2044, 2156, 2774, 2926, 3212, 3577, 3724, 5548, 5621, 5852, 7154, 9709, 10241, 11242, 14308, 15257, 19418, 20482, 22484, 30514, 38836, 39347, 40964, 61028, 67963, 78694, 106799, 135926, 157388, 213598, 271852, 427196, 747593, 1495186, 2990372]

約数ペア:

[(1, 2990372), (2, 1495186), (4, 747593), (7, 427196), (11, 271852), (14, 213598), (19, 157388), (22, 135926), (28, 106799), (38, 78694), (44, 67963), (49, 61028), (73, 40964), (76, 39347), (77, 38836), (98, 30514), (133, 22484), (146, 20482), (154, 19418), (196, 15257), (209, 14308), (266, 11242), (292, 10241), (308, 9709), (418, 7154), (511, 5852), (532, 5621), (539, 5548), (803, 3724), (836, 3577), (931, 3212), (1022, 2926), (1078, 2774), (1387, 2156), (1463, 2044), (1606, 1862)]