About the Number

12731010

12731009 ← → 12731011

2進数表記:110000100100001010000010

漢数字表記:千二百七十三万千十

素因数分解:

2 1 × 3 1 × 5 1 × 43 1 × 71 1 × 139 1

素因数の和:263
約数の個数: 64
約数和(自身を含む): 31933440
約数和(自身を除く): 19202430

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 43, 71, 86, 129, 139, 142, 213, 215, 258, 278, 355, 417, 426, 430, 645, 695, 710, 834, 1065, 1290, 1390, 2085, 2130, 3053, 4170, 5977, 6106, 9159, 9869, 11954, 15265, 17931, 18318, 19738, 29607, 29885, 30530, 35862, 45795, 49345, 59214, 59770, 89655, 91590, 98690, 148035, 179310, 296070, 424367, 848734, 1273101, 2121835, 2546202, 4243670, 6365505, 12731010]

約数ペア:
[(1, 12731010), (2, 6365505), (3, 4243670), (5, 2546202), (6, 2121835), (10, 1273101), (15, 848734), (30, 424367), (43, 296070), (71, 179310), (86, 148035), (129, 98690), (139, 91590), (142, 89655), (213, 59770), (215, 59214), (258, 49345), (278, 45795), (355, 35862), (417, 30530), (426, 29885), (430, 29607), (645, 19738), (695, 18318), (710, 17931), (834, 15265), (1065, 11954), (1290, 9869), (1390, 9159), (2085, 6106), (2130, 5977), (3053, 4170)]

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