About the Number

285385256

285385255 ← → 285385257

2進数表記:10001000000101010001000101000

漢数字表記:二億八千五百三十八万五千二百五十六

素因数分解:

2 3 × 13 1 × 17 1 × 31 1 × 41 1 × 127 1

素因数の和:235
約数の個数: 128
約数和(自身を含む): 650280960
約数和(自身を除く): 364895704

約数列:
[1, 2, 4, 8, 13, 17, 26, 31, 34, 41, 52, 62, 68, 82, 104, 124, 127, 136, 164, 221, 248, 254, 328, 403, 442, 508, 527, 533, 697, 806, 884, 1016, 1054, 1066, 1271, 1394, 1612, 1651, 1768, 2108, 2132, 2159, 2542, 2788, 3224, 3302, 3937, 4216, 4264, 4318, 5084, 5207, 5576, 6604, 6851, 7874, 8636, 9061, 10168, 10414, 13208, 13702, 15748, 16523, 17272, 18122, 20828, 21607, 27404, 28067, 31496, 33046, 36244, 41656, 43214, 51181, 54808, 56134, 66092, 66929, 67691, 72488, 86428, 88519, 102362, 112268, 132184, 133858, 135382, 161417, 172856, 177038, 204724, 224536, 267716, 270764, 280891, 322834, 354076, 409448, 535432, 541528, 561782, 645668, 708152, 870077, 1123564, 1150747, 1291336, 1740154, 2098421, 2247128, 2301494, 2744089, 3480308, 4196842, 4602988, 5488178, 6960616, 8393684, 9205976, 10976356, 16787368, 21952712, 35673157, 71346314, 142692628, 285385256]

約数ペア:
[(1, 285385256), (2, 142692628), (4, 71346314), (8, 35673157), (13, 21952712), (17, 16787368), (26, 10976356), (31, 9205976), (34, 8393684), (41, 6960616), (52, 5488178), (62, 4602988), (68, 4196842), (82, 3480308), (104, 2744089), (124, 2301494), (127, 2247128), (136, 2098421), (164, 1740154), (221, 1291336), (248, 1150747), (254, 1123564), (328, 870077), (403, 708152), (442, 645668), (508, 561782), (527, 541528), (533, 535432), (697, 409448), (806, 354076), (884, 322834), (1016, 280891), (1054, 270764), (1066, 267716), (1271, 224536), (1394, 204724), (1612, 177038), (1651, 172856), (1768, 161417), (2108, 135382), (2132, 133858), (2159, 132184), (2542, 112268), (2788, 102362), (3224, 88519), (3302, 86428), (3937, 72488), (4216, 67691), (4264, 66929), (4318, 66092), (5084, 56134), (5207, 54808), (5576, 51181), (6604, 43214), (6851, 41656), (7874, 36244), (8636, 33046), (9061, 31496), (10168, 28067), (10414, 27404), (13208, 21607), (13702, 20828), (15748, 18122), (16523, 17272)]

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