About the Number

380806440

380806439 ← → 380806441

2進数表記:10110101100101010010100101000

漢数字表記:三億八千八十万六千四百四十

素因数分解:

2 3 × 3 1 × 5 1 × 7 2 × 64763 1

素因数の和:64791
約数の個数: 96
約数和(自身を含む): 1328957280
約数和(自身を除く): 948150840

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 64763, 129526, 194289, 259052, 323815, 388578, 453341, 518104, 647630, 777156, 906682, 971445, 1295260, 1360023, 1554312, 1813364, 1942890, 2266705, 2590520, 2720046, 3173387, 3626728, 3885780, 4533410, 5440092, 6346774, 6800115, 7771560, 9066820, 9520161, 10880184, 12693548, 13600230, 15866935, 18133640, 19040322, 25387096, 27200460, 31733870, 38080644, 47600805, 54400920, 63467740, 76161288, 95201610, 126935480, 190403220, 380806440]

約数ペア:
[(1, 380806440), (2, 190403220), (3, 126935480), (4, 95201610), (5, 76161288), (6, 63467740), (7, 54400920), (8, 47600805), (10, 38080644), (12, 31733870), (14, 27200460), (15, 25387096), (20, 19040322), (21, 18133640), (24, 15866935), (28, 13600230), (30, 12693548), (35, 10880184), (40, 9520161), (42, 9066820), (49, 7771560), (56, 6800115), (60, 6346774), (70, 5440092), (84, 4533410), (98, 3885780), (105, 3626728), (120, 3173387), (140, 2720046), (147, 2590520), (168, 2266705), (196, 1942890), (210, 1813364), (245, 1554312), (280, 1360023), (294, 1295260), (392, 971445), (420, 906682), (490, 777156), (588, 647630), (735, 518104), (840, 453341), (980, 388578), (1176, 323815), (1470, 259052), (1960, 194289), (2940, 129526), (5880, 64763)]

このpageの処理時間: 0.07035541534423828 seconds