2798757175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{839}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 3779758080

約数和(自身を除く): 981000905

約数列:

[1, 5, 17, 25, 47, 85, 167, 235, 425, 799, 835, 839, 1175, 2839, 3995, 4175, 4195, 7849, 14195, 14263, 19975, 20975, 39245, 39433, 70975, 71315, 133433, 140113, 196225, 197165, 356575, 667165, 670361, 700565, 985825, 2381921, 3335825, 3351805, 3502825, 6585311, 11909605, 16759025, 32926555, 59548025, 111950287, 164632775, 559751435, 2798757175]

約数ペア:

[(1, 2798757175), (5, 559751435), (17, 164632775), (25, 111950287), (47, 59548025), (85, 32926555), (167, 16759025), (235, 11909605), (425, 6585311), (799, 3502825), (835, 3351805), (839, 3335825), (1175, 2381921), (2839, 985825), (3995, 700565), (4175, 670361), (4195, 667165), (7849, 356575), (14195, 197165), (14263, 196225), (19975, 140113), (20975, 133433), (39245, 71315), (39433, 70975)]