About the Number

1890856440

1890856439 ← → 1890856441

2進数表記:1110000101101000010110111111000

漢数字表記:十八億九千八十五万六千四百四十

素因数分解:

2 3 × 3 3 × 5 1 × 11 1 × 19 1 × 8377 1

素因数の和:8427
約数の個数: 256
約数和(自身を含む): 7238592000
約数和(自身を除く): 5347735560

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 264, 270, 285, 297, 330, 342, 360, 380, 396, 418, 440, 456, 495, 513, 540, 570, 594, 627, 660, 684, 760, 792, 836, 855, 990, 1026, 1045, 1080, 1140, 1188, 1254, 1320, 1368, 1485, 1672, 1710, 1881, 1980, 2052, 2090, 2280, 2376, 2508, 2565, 2970, 3135, 3420, 3762, 3960, 4104, 4180, 5016, 5130, 5643, 5940, 6270, 6840, 7524, 8360, 8377, 9405, 10260, 11286, 11880, 12540, 15048, 16754, 18810, 20520, 22572, 25080, 25131, 28215, 33508, 37620, 41885, 45144, 50262, 56430, 67016, 75240, 75393, 83770, 92147, 100524, 112860, 125655, 150786, 159163, 167540, 184294, 201048, 225720, 226179, 251310, 276441, 301572, 318326, 335080, 368588, 376965, 452358, 460735, 477489, 502620, 552882, 603144, 636652, 737176, 753930, 795815, 829323, 904716, 921470, 954978, 1005240, 1105764, 1130895, 1273304, 1382205, 1432467, 1507860, 1591630, 1658646, 1750793, 1809432, 1842940, 1909956, 2211528, 2261790, 2387445, 2487969, 2764410, 2864934, 3015720, 3183260, 3317292, 3501586, 3685880, 3819912, 4146615, 4297401, 4523580, 4774890, 4975938, 5252379, 5528820, 5729868, 6366520, 6634584, 7003172, 7162335, 8293230, 8594802, 8753965, 9047160, 9549780, 9951876, 10504758, 11057640, 11459736, 12439845, 14006344, 14324670, 15757137, 16586460, 17189604, 17507930, 19099560, 19903752, 21009516, 21487005, 24879690, 26261895, 28649340, 31514274, 33172920, 34379208, 35015860, 42019032, 42974010, 47271411, 49759380, 52523790, 57298680, 63028548, 70031720, 78785685, 85948020, 94542822, 99518760, 105047580, 126057096, 157571370, 171896040, 189085644, 210095160, 236357055, 315142740, 378171288, 472714110, 630285480, 945428220, 1890856440]

約数ペア:
[(1, 1890856440), (2, 945428220), (3, 630285480), (4, 472714110), (5, 378171288), (6, 315142740), (8, 236357055), (9, 210095160), (10, 189085644), (11, 171896040), (12, 157571370), (15, 126057096), (18, 105047580), (19, 99518760), (20, 94542822), (22, 85948020), (24, 78785685), (27, 70031720), (30, 63028548), (33, 57298680), (36, 52523790), (38, 49759380), (40, 47271411), (44, 42974010), (45, 42019032), (54, 35015860), (55, 34379208), (57, 33172920), (60, 31514274), (66, 28649340), (72, 26261895), (76, 24879690), (88, 21487005), (90, 21009516), (95, 19903752), (99, 19099560), (108, 17507930), (110, 17189604), (114, 16586460), (120, 15757137), (132, 14324670), (135, 14006344), (152, 12439845), (165, 11459736), (171, 11057640), (180, 10504758), (190, 9951876), (198, 9549780), (209, 9047160), (216, 8753965), (220, 8594802), (228, 8293230), (264, 7162335), (270, 7003172), (285, 6634584), (297, 6366520), (330, 5729868), (342, 5528820), (360, 5252379), (380, 4975938), (396, 4774890), (418, 4523580), (440, 4297401), (456, 4146615), (495, 3819912), (513, 3685880), (540, 3501586), (570, 3317292), (594, 3183260), (627, 3015720), (660, 2864934), (684, 2764410), (760, 2487969), (792, 2387445), (836, 2261790), (855, 2211528), (990, 1909956), (1026, 1842940), (1045, 1809432), (1080, 1750793), (1140, 1658646), (1188, 1591630), (1254, 1507860), (1320, 1432467), (1368, 1382205), (1485, 1273304), (1672, 1130895), (1710, 1105764), (1881, 1005240), (1980, 954978), (2052, 921470), (2090, 904716), (2280, 829323), (2376, 795815), (2508, 753930), (2565, 737176), (2970, 636652), (3135, 603144), (3420, 552882), (3762, 502620), (3960, 477489), (4104, 460735), (4180, 452358), (5016, 376965), (5130, 368588), (5643, 335080), (5940, 318326), (6270, 301572), (6840, 276441), (7524, 251310), (8360, 226179), (8377, 225720), (9405, 201048), (10260, 184294), (11286, 167540), (11880, 159163), (12540, 150786), (15048, 125655), (16754, 112860), (18810, 100524), (20520, 92147), (22572, 83770), (25080, 75393), (25131, 75240), (28215, 67016), (33508, 56430), (37620, 50262), (41885, 45144)]

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