About the Number

1997009056

1997009055 ← → 1997009057

2進数表記:1110111000001111111000010100000

漢数字表記:十九億九千七百万九千五十六

素因数分解:

2 5 × 7 1 × 89 1 × 109 1 × 919 1

素因数の和:1134
約数の個数: 96
約数和(自身を含む): 4590432000
約数和(自身を除く): 2593422944

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 109, 112, 178, 218, 224, 356, 436, 623, 712, 763, 872, 919, 1246, 1424, 1526, 1744, 1838, 2492, 2848, 3052, 3488, 3676, 4984, 6104, 6433, 7352, 9701, 9968, 12208, 12866, 14704, 19402, 19936, 24416, 25732, 29408, 38804, 51464, 67907, 77608, 81791, 100171, 102928, 135814, 155216, 163582, 200342, 205856, 271628, 310432, 327164, 400684, 543256, 572537, 654328, 701197, 801368, 1086512, 1145074, 1308656, 1402394, 1602736, 2173024, 2290148, 2617312, 2804788, 3205472, 4580296, 5609576, 8915219, 9160592, 11219152, 17830438, 18321184, 22438304, 35660876, 62406533, 71321752, 124813066, 142643504, 249626132, 285287008, 499252264, 998504528, 1997009056]

約数ペア:
[(1, 1997009056), (2, 998504528), (4, 499252264), (7, 285287008), (8, 249626132), (14, 142643504), (16, 124813066), (28, 71321752), (32, 62406533), (56, 35660876), (89, 22438304), (109, 18321184), (112, 17830438), (178, 11219152), (218, 9160592), (224, 8915219), (356, 5609576), (436, 4580296), (623, 3205472), (712, 2804788), (763, 2617312), (872, 2290148), (919, 2173024), (1246, 1602736), (1424, 1402394), (1526, 1308656), (1744, 1145074), (1838, 1086512), (2492, 801368), (2848, 701197), (3052, 654328), (3488, 572537), (3676, 543256), (4984, 400684), (6104, 327164), (6433, 310432), (7352, 271628), (9701, 205856), (9968, 200342), (12208, 163582), (12866, 155216), (14704, 135814), (19402, 102928), (19936, 100171), (24416, 81791), (25732, 77608), (29408, 67907), (38804, 51464)]

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