About the Number

489920640

489920639 ← → 489920641

2進数表記:11101001100111001100010000000

漢数字表記:四億八千九百九十二万六百四十

素因数分解:

2 7 × 3 1 × 5 1 × 11 1 × 23197 1

素因数の和:23230
約数の個数: 128
約数和(自身を含む): 1703661120
約数和(自身を除く): 1213740480

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 4224, 5280, 7040, 10560, 21120, 23197, 46394, 69591, 92788, 115985, 139182, 185576, 231970, 255167, 278364, 347955, 371152, 463940, 510334, 556728, 695910, 742304, 765501, 927880, 1020668, 1113456, 1275835, 1391820, 1484608, 1531002, 1855760, 2041336, 2226912, 2551670, 2783640, 2969216, 3062004, 3711520, 3827505, 4082672, 4453824, 5103340, 5567280, 6124008, 7423040, 7655010, 8165344, 8907648, 10206680, 11134560, 12248016, 14846080, 15310020, 16330688, 20413360, 22269120, 24496032, 30620040, 32661376, 40826720, 44538240, 48992064, 61240080, 81653440, 97984128, 122480160, 163306880, 244960320, 489920640]

約数ペア:
[(1, 489920640), (2, 244960320), (3, 163306880), (4, 122480160), (5, 97984128), (6, 81653440), (8, 61240080), (10, 48992064), (11, 44538240), (12, 40826720), (15, 32661376), (16, 30620040), (20, 24496032), (22, 22269120), (24, 20413360), (30, 16330688), (32, 15310020), (33, 14846080), (40, 12248016), (44, 11134560), (48, 10206680), (55, 8907648), (60, 8165344), (64, 7655010), (66, 7423040), (80, 6124008), (88, 5567280), (96, 5103340), (110, 4453824), (120, 4082672), (128, 3827505), (132, 3711520), (160, 3062004), (165, 2969216), (176, 2783640), (192, 2551670), (220, 2226912), (240, 2041336), (264, 1855760), (320, 1531002), (330, 1484608), (352, 1391820), (384, 1275835), (440, 1113456), (480, 1020668), (528, 927880), (640, 765501), (660, 742304), (704, 695910), (880, 556728), (960, 510334), (1056, 463940), (1320, 371152), (1408, 347955), (1760, 278364), (1920, 255167), (2112, 231970), (2640, 185576), (3520, 139182), (4224, 115985), (5280, 92788), (7040, 69591), (10560, 46394), (21120, 23197)]

このpageの処理時間: 0.012727022171020508 seconds