749065975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 1142926848

約数和(自身を除く): 393860873

約数列:

[1, 5, 7, 19, 25, 35, 71, 95, 133, 167, 175, 355, 361, 475, 497, 665, 835, 1169, 1349, 1775, 1805, 2485, 2527, 3173, 3325, 4175, 5845, 6745, 9025, 9443, 11857, 12425, 12635, 15865, 22211, 25631, 29225, 33725, 47215, 59285, 60287, 63175, 79325, 82999, 111055, 128155, 179417, 225283, 236075, 296425, 301435, 414995, 422009, 555275, 640775, 897085, 1126415, 1507175, 1576981, 2074975, 2110045, 4280377, 4485425, 5632075, 7884905, 10550225, 21401885, 29962639, 39424525, 107009425, 149813195, 749065975]

約数ペア:

[(1, 749065975), (5, 149813195), (7, 107009425), (19, 39424525), (25, 29962639), (35, 21401885), (71, 10550225), (95, 7884905), (133, 5632075), (167, 4485425), (175, 4280377), (355, 2110045), (361, 2074975), (475, 1576981), (497, 1507175), (665, 1126415), (835, 897085), (1169, 640775), (1349, 555275), (1775, 422009), (1805, 414995), (2485, 301435), (2527, 296425), (3173, 236075), (3325, 225283), (4175, 179417), (5845, 128155), (6745, 111055), (9025, 82999), (9443, 79325), (11857, 63175), (12425, 60287), (12635, 59285), (15865, 47215), (22211, 33725), (25631, 29225)]