280822528

素因数分解:

$2^8\times 7^2\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:458

約数の個数: 108

約数和(自身を含む): 664561632

約数和(自身を除く): 383739104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 98, 112, 122, 128, 196, 224, 244, 256, 367, 392, 427, 448, 488, 734, 784, 854, 896, 976, 1468, 1568, 1708, 1792, 1952, 2569, 2936, 2989, 3136, 3416, 3904, 5138, 5872, 5978, 6272, 6832, 7808, 10276, 11744, 11956, 12544, 13664, 15616, 17983, 20552, 22387, 23488, 23912, 27328, 35966, 41104, 44774, 46976, 47824, 54656, 71932, 82208, 89548, 93952, 95648, 109312, 143864, 156709, 164416, 179096, 191296, 287728, 313418, 328832, 358192, 382592, 575456, 626836, 657664, 716384, 765184, 1096963, 1150912, 1253672, 1432768, 2193926, 2301824, 2507344, 2865536, 4387852, 4603648, 5014688, 5731072, 8775704, 10029376, 17551408, 20058752, 35102816, 40117504, 70205632, 140411264, 280822528]

約数ペア:

[(1, 280822528), (2, 140411264), (4, 70205632), (7, 40117504), (8, 35102816), (14, 20058752), (16, 17551408), (28, 10029376), (32, 8775704), (49, 5731072), (56, 5014688), (61, 4603648), (64, 4387852), (98, 2865536), (112, 2507344), (122, 2301824), (128, 2193926), (196, 1432768), (224, 1253672), (244, 1150912), (256, 1096963), (367, 765184), (392, 716384), (427, 657664), (448, 626836), (488, 575456), (734, 382592), (784, 358192), (854, 328832), (896, 313418), (976, 287728), (1468, 191296), (1568, 179096), (1708, 164416), (1792, 156709), (1952, 143864), (2569, 109312), (2936, 95648), (2989, 93952), (3136, 89548), (3416, 82208), (3904, 71932), (5138, 54656), (5872, 47824), (5978, 46976), (6272, 44774), (6832, 41104), (7808, 35966), (10276, 27328), (11744, 23912), (11956, 23488), (12544, 22387), (13664, 20552), (15616, 17983)]