390237980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{13967}}^1$

素因数の和:14114

約数の個数: 48

約数和(自身を含む): 901103616

約数和(自身を除く): 510865636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 508, 635, 1270, 1397, 2540, 2794, 5588, 6985, 13967, 13970, 27934, 27940, 55868, 69835, 139670, 153637, 279340, 307274, 614548, 768185, 1536370, 1773809, 3072740, 3547618, 7095236, 8869045, 17738090, 19511899, 35476180, 39023798, 78047596, 97559495, 195118990, 390237980]

約数ペア:

[(1, 390237980), (2, 195118990), (4, 97559495), (5, 78047596), (10, 39023798), (11, 35476180), (20, 19511899), (22, 17738090), (44, 8869045), (55, 7095236), (110, 3547618), (127, 3072740), (220, 1773809), (254, 1536370), (508, 768185), (635, 614548), (1270, 307274), (1397, 279340), (2540, 153637), (2794, 139670), (5588, 69835), (6985, 55868), (13967, 27940), (13970, 27934)]