About the Number
381942945
2進数表記:10110110000111111110010100001
漢数字表記:三億八千百九十四万二千九百四十五
素因数分解:
素因数の和:484
約数の個数: 80
約数和(自身を含む): 722189952
約数和(自身を除く): 340247007
約数列:
[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 131, 135, 207, 313, 345, 393, 405, 621, 655, 939, 1035, 1179, 1565, 1863, 1965, 2817, 3013, 3105, 3537, 4695, 5895, 7199, 8451, 9039, 9315, 10611, 14085, 15065, 17685, 21597, 25353, 27117, 35995, 41003, 42255, 45195, 53055, 64791, 81351, 107985, 123009, 126765, 135585, 194373, 205015, 244053, 323955, 369027, 406755, 583119, 615045, 943069, 971865, 1107081, 1220265, 1845135, 2829207, 2915595, 3321243, 4715345, 5535405, 8487621, 14146035, 16606215, 25462863, 42438105, 76388589, 127314315, 381942945]
約数ペア:
[(1, 381942945), (3, 127314315), (5, 76388589), (9, 42438105), (15, 25462863), (23, 16606215), (27, 14146035), (45, 8487621), (69, 5535405), (81, 4715345), (115, 3321243), (131, 2915595), (135, 2829207), (207, 1845135), (313, 1220265), (345, 1107081), (393, 971865), (405, 943069), (621, 615045), (655, 583119), (939, 406755), (1035, 369027), (1179, 323955), (1565, 244053), (1863, 205015), (1965, 194373), (2817, 135585), (3013, 126765), (3105, 123009), (3537, 107985), (4695, 81351), (5895, 64791), (7199, 53055), (8451, 45195), (9039, 42255), (9315, 41003), (10611, 35995), (14085, 27117), (15065, 25353), (17685, 21597)]このpageの処理時間: 0.008241653442382812 seconds