254142784

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:520

約数の個数: 112

約数和(自身を含む): 616508800

約数和(自身を除く): 362366016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 73, 76, 112, 133, 146, 152, 224, 266, 292, 304, 409, 448, 511, 532, 584, 608, 818, 1022, 1064, 1168, 1216, 1387, 1636, 2044, 2128, 2336, 2774, 2863, 3272, 4088, 4256, 4672, 5548, 5726, 6544, 7771, 8176, 8512, 9709, 11096, 11452, 13088, 15542, 16352, 19418, 22192, 22904, 26176, 29857, 31084, 32704, 38836, 44384, 45808, 54397, 59714, 62168, 77672, 88768, 91616, 108794, 119428, 124336, 155344, 183232, 208999, 217588, 238856, 248672, 310688, 417998, 435176, 477712, 497344, 567283, 621376, 835996, 870352, 955424, 1134566, 1671992, 1740704, 1910848, 2269132, 3343984, 3481408, 3970981, 4538264, 6687968, 7941962, 9076528, 13375936, 15883924, 18153056, 31767848, 36306112, 63535696, 127071392, 254142784]

約数ペア:

[(1, 254142784), (2, 127071392), (4, 63535696), (7, 36306112), (8, 31767848), (14, 18153056), (16, 15883924), (19, 13375936), (28, 9076528), (32, 7941962), (38, 6687968), (56, 4538264), (64, 3970981), (73, 3481408), (76, 3343984), (112, 2269132), (133, 1910848), (146, 1740704), (152, 1671992), (224, 1134566), (266, 955424), (292, 870352), (304, 835996), (409, 621376), (448, 567283), (511, 497344), (532, 477712), (584, 435176), (608, 417998), (818, 310688), (1022, 248672), (1064, 238856), (1168, 217588), (1216, 208999), (1387, 183232), (1636, 155344), (2044, 124336), (2128, 119428), (2336, 108794), (2774, 91616), (2863, 88768), (3272, 77672), (4088, 62168), (4256, 59714), (4672, 54397), (5548, 45808), (5726, 44384), (6544, 38836), (7771, 32704), (8176, 31084), (8512, 29857), (9709, 26176), (11096, 22904), (11452, 22192), (13088, 19418), (15542, 16352)]