About the Number
2155752405
2進数表記:10000000011111100010101111010101
漢数字表記:二十一億五千五百七十五万二千四百五
素因数分解:
素因数の和:491
約数の個数: 96
約数和(自身を含む): 4047563520
約数和(自身を除く): 1891811115
約数列:
[1, 3, 5, 9, 15, 17, 45, 51, 85, 103, 109, 153, 251, 255, 309, 327, 515, 545, 753, 765, 927, 981, 1255, 1545, 1635, 1751, 1853, 2259, 3765, 4267, 4635, 4905, 5253, 5559, 8755, 9265, 11227, 11295, 12801, 15759, 16677, 21335, 25853, 26265, 27359, 27795, 33681, 38403, 56135, 64005, 77559, 78795, 82077, 83385, 101043, 129265, 136795, 168405, 190859, 192015, 232677, 246231, 387795, 410385, 439501, 465103, 505215, 572577, 954295, 1163385, 1231155, 1318503, 1395309, 1717731, 2197505, 2325515, 2817977, 2862885, 3955509, 4185927, 6592515, 6976545, 8453931, 8588655, 14089885, 19777545, 20929635, 25361793, 42269655, 47905609, 126808965, 143716827, 239528045, 431150481, 718584135, 2155752405]
約数ペア:
[(1, 2155752405), (3, 718584135), (5, 431150481), (9, 239528045), (15, 143716827), (17, 126808965), (45, 47905609), (51, 42269655), (85, 25361793), (103, 20929635), (109, 19777545), (153, 14089885), (251, 8588655), (255, 8453931), (309, 6976545), (327, 6592515), (515, 4185927), (545, 3955509), (753, 2862885), (765, 2817977), (927, 2325515), (981, 2197505), (1255, 1717731), (1545, 1395309), (1635, 1318503), (1751, 1231155), (1853, 1163385), (2259, 954295), (3765, 572577), (4267, 505215), (4635, 465103), (4905, 439501), (5253, 410385), (5559, 387795), (8755, 246231), (9265, 232677), (11227, 192015), (11295, 190859), (12801, 168405), (15759, 136795), (16677, 129265), (21335, 101043), (25853, 83385), (26265, 82077), (27359, 78795), (27795, 77559), (33681, 64005), (38403, 56135)]このpageの処理時間: 0.027884960174560547 seconds