187161880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1013}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 438048000

約数和(自身を除く): 250886120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 745, 1013, 1192, 1240, 1490, 2026, 2980, 4052, 4619, 5065, 5960, 8104, 9238, 10130, 18476, 20260, 23095, 31403, 36952, 40520, 46190, 62806, 92380, 125612, 150937, 157015, 184760, 251224, 301874, 314030, 603748, 628060, 754685, 1207496, 1256120, 1509370, 3018740, 4679047, 6037480, 9358094, 18716188, 23395235, 37432376, 46790470, 93580940, 187161880]

約数ペア:

[(1, 187161880), (2, 93580940), (4, 46790470), (5, 37432376), (8, 23395235), (10, 18716188), (20, 9358094), (31, 6037480), (40, 4679047), (62, 3018740), (124, 1509370), (149, 1256120), (155, 1207496), (248, 754685), (298, 628060), (310, 603748), (596, 314030), (620, 301874), (745, 251224), (1013, 184760), (1192, 157015), (1240, 150937), (1490, 125612), (2026, 92380), (2980, 62806), (4052, 46190), (4619, 40520), (5065, 36952), (5960, 31403), (8104, 23095), (9238, 20260), (10130, 18476)]