2013570125

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3979

約数の個数: 64

約数和(自身を含む): 3121397760

約数和(自身を除く): 1107827635

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 125, 133, 155, 175, 217, 475, 589, 665, 775, 875, 1085, 2375, 2945, 3325, 3875, 3907, 4123, 5425, 14725, 16625, 19535, 20615, 27125, 27349, 73625, 74233, 97675, 103075, 121117, 136745, 371165, 488375, 515375, 519631, 605585, 683725, 847819, 1855825, 2301223, 2598155, 3027925, 3418625, 4239095, 9279125, 11506115, 12990775, 15139625, 16108561, 21195475, 57530575, 64953875, 80542805, 105977375, 287652875, 402714025, 2013570125]

約数ペア:

[(1, 2013570125), (5, 402714025), (7, 287652875), (19, 105977375), (25, 80542805), (31, 64953875), (35, 57530575), (95, 21195475), (125, 16108561), (133, 15139625), (155, 12990775), (175, 11506115), (217, 9279125), (475, 4239095), (589, 3418625), (665, 3027925), (775, 2598155), (875, 2301223), (1085, 1855825), (2375, 847819), (2945, 683725), (3325, 605585), (3875, 519631), (3907, 515375), (4123, 488375), (5425, 371165), (14725, 136745), (16625, 121117), (19535, 103075), (20615, 97675), (27125, 74233), (27349, 73625)]