About the Number

421459920

421459919 ← → 421459921

2進数表記:11001000111101111011111010000

漢数字表記:四億二千百四十五万九千九百二十

素因数分解:

2 4 × 3 2 × 5 1 × 7 1 × 17 1 × 4919 1

素因数の和:4962
約数の個数: 240
約数和(自身を含む): 1713104640
約数和(自身を除く): 1291644720

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2856, 3060, 3570, 4080, 4284, 4760, 4919, 5040, 5355, 5712, 6120, 7140, 8568, 9520, 9838, 10710, 12240, 14280, 14757, 17136, 19676, 21420, 24595, 28560, 29514, 34433, 39352, 42840, 44271, 49190, 59028, 68866, 73785, 78704, 83623, 85680, 88542, 98380, 103299, 118056, 137732, 147570, 167246, 172165, 177084, 196760, 206598, 221355, 236112, 250869, 275464, 295140, 309897, 334492, 344330, 354168, 393520, 413196, 418115, 442710, 501738, 516495, 550928, 585361, 590280, 619794, 668984, 688660, 708336, 752607, 826392, 836230, 885420, 1003476, 1032990, 1170722, 1180560, 1239588, 1254345, 1337968, 1377320, 1505214, 1549485, 1652784, 1672460, 1756083, 1770840, 2006952, 2065980, 2341444, 2479176, 2508690, 2754640, 2926805, 3010428, 3098970, 3344920, 3512166, 3541680, 3763035, 4013904, 4131960, 4682888, 4958352, 5017380, 5268249, 5853610, 6020856, 6197940, 6689840, 7024332, 7526070, 8263920, 8780415, 9365776, 10034760, 10536498, 11707220, 12041712, 12395880, 14048664, 15052140, 17560830, 20069520, 21072996, 23414440, 24791760, 26341245, 28097328, 30104280, 35121660, 42145992, 46828880, 52682490, 60208560, 70243320, 84291984, 105364980, 140486640, 210729960, 421459920]

約数ペア:
[(1, 421459920), (2, 210729960), (3, 140486640), (4, 105364980), (5, 84291984), (6, 70243320), (7, 60208560), (8, 52682490), (9, 46828880), (10, 42145992), (12, 35121660), (14, 30104280), (15, 28097328), (16, 26341245), (17, 24791760), (18, 23414440), (20, 21072996), (21, 20069520), (24, 17560830), (28, 15052140), (30, 14048664), (34, 12395880), (35, 12041712), (36, 11707220), (40, 10536498), (42, 10034760), (45, 9365776), (48, 8780415), (51, 8263920), (56, 7526070), (60, 7024332), (63, 6689840), (68, 6197940), (70, 6020856), (72, 5853610), (80, 5268249), (84, 5017380), (85, 4958352), (90, 4682888), (102, 4131960), (105, 4013904), (112, 3763035), (119, 3541680), (120, 3512166), (126, 3344920), (136, 3098970), (140, 3010428), (144, 2926805), (153, 2754640), (168, 2508690), (170, 2479176), (180, 2341444), (204, 2065980), (210, 2006952), (238, 1770840), (240, 1756083), (252, 1672460), (255, 1652784), (272, 1549485), (280, 1505214), (306, 1377320), (315, 1337968), (336, 1254345), (340, 1239588), (357, 1180560), (360, 1170722), (408, 1032990), (420, 1003476), (476, 885420), (504, 836230), (510, 826392), (560, 752607), (595, 708336), (612, 688660), (630, 668984), (680, 619794), (714, 590280), (720, 585361), (765, 550928), (816, 516495), (840, 501738), (952, 442710), (1008, 418115), (1020, 413196), (1071, 393520), (1190, 354168), (1224, 344330), (1260, 334492), (1360, 309897), (1428, 295140), (1530, 275464), (1680, 250869), (1785, 236112), (1904, 221355), (2040, 206598), (2142, 196760), (2380, 177084), (2448, 172165), (2520, 167246), (2856, 147570), (3060, 137732), (3570, 118056), (4080, 103299), (4284, 98380), (4760, 88542), (4919, 85680), (5040, 83623), (5355, 78704), (5712, 73785), (6120, 68866), (7140, 59028), (8568, 49190), (9520, 44271), (9838, 42840), (10710, 39352), (12240, 34433), (14280, 29514), (14757, 28560), (17136, 24595), (19676, 21420)]

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