390691908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{941}}^1$

素因数の和:1577

約数の個数: 72

約数和(自身を含む): 1042379520

約数和(自身を除く): 651687612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 607, 684, 941, 1214, 1821, 1882, 2428, 2823, 3642, 3764, 5463, 5646, 7284, 8469, 10926, 11292, 11533, 16938, 17879, 21852, 23066, 33876, 34599, 35758, 46132, 53637, 69198, 71516, 103797, 107274, 138396, 160911, 207594, 214548, 321822, 415188, 571187, 643644, 1142374, 1713561, 2284748, 3427122, 5140683, 6854244, 10281366, 10852553, 20562732, 21705106, 32557659, 43410212, 65115318, 97672977, 130230636, 195345954, 390691908]

約数ペア:

[(1, 390691908), (2, 195345954), (3, 130230636), (4, 97672977), (6, 65115318), (9, 43410212), (12, 32557659), (18, 21705106), (19, 20562732), (36, 10852553), (38, 10281366), (57, 6854244), (76, 5140683), (114, 3427122), (171, 2284748), (228, 1713561), (342, 1142374), (607, 643644), (684, 571187), (941, 415188), (1214, 321822), (1821, 214548), (1882, 207594), (2428, 160911), (2823, 138396), (3642, 107274), (3764, 103797), (5463, 71516), (5646, 69198), (7284, 53637), (8469, 46132), (10926, 35758), (11292, 34599), (11533, 33876), (16938, 23066), (17879, 21852)]