256674544

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 610675200

約数和(自身を除く): 354000656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 59, 62, 98, 112, 118, 124, 179, 196, 217, 236, 248, 358, 392, 413, 434, 472, 496, 716, 784, 826, 868, 944, 1253, 1432, 1519, 1652, 1736, 1829, 2506, 2864, 2891, 3038, 3304, 3472, 3658, 5012, 5549, 5782, 6076, 6608, 7316, 8771, 10024, 10561, 11098, 11564, 12152, 12803, 14632, 17542, 20048, 21122, 22196, 23128, 24304, 25606, 29264, 35084, 38843, 42244, 44392, 46256, 51212, 70168, 73927, 77686, 84488, 88784, 89621, 102424, 140336, 147854, 155372, 168976, 179242, 204848, 271901, 295708, 310744, 327391, 358484, 517489, 543802, 591416, 621488, 654782, 716968, 1034978, 1087604, 1182832, 1309564, 1433936, 2069956, 2175208, 2291737, 2619128, 4139912, 4350416, 4583474, 5238256, 8279824, 9166948, 16042159, 18333896, 32084318, 36667792, 64168636, 128337272, 256674544]

約数ペア:

[(1, 256674544), (2, 128337272), (4, 64168636), (7, 36667792), (8, 32084318), (14, 18333896), (16, 16042159), (28, 9166948), (31, 8279824), (49, 5238256), (56, 4583474), (59, 4350416), (62, 4139912), (98, 2619128), (112, 2291737), (118, 2175208), (124, 2069956), (179, 1433936), (196, 1309564), (217, 1182832), (236, 1087604), (248, 1034978), (358, 716968), (392, 654782), (413, 621488), (434, 591416), (472, 543802), (496, 517489), (716, 358484), (784, 327391), (826, 310744), (868, 295708), (944, 271901), (1253, 204848), (1432, 179242), (1519, 168976), (1652, 155372), (1736, 147854), (1829, 140336), (2506, 102424), (2864, 89621), (2891, 88784), (3038, 84488), (3304, 77686), (3472, 73927), (3658, 70168), (5012, 51212), (5549, 46256), (5782, 44392), (6076, 42244), (6608, 38843), (7316, 35084), (8771, 29264), (10024, 25606), (10561, 24304), (11098, 23128), (11564, 22196), (12152, 21122), (12803, 20048), (14632, 17542)]