254717456

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1720

約数の個数: 80

約数和(自身を含む): 598556928

約数和(自身を除く): 343839472

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 61, 92, 112, 122, 161, 184, 244, 322, 368, 427, 488, 644, 854, 976, 1288, 1403, 1621, 1708, 2576, 2806, 3242, 3416, 5612, 6484, 6832, 9821, 11224, 11347, 12968, 19642, 22448, 22694, 25936, 37283, 39284, 45388, 74566, 78568, 90776, 98881, 149132, 157136, 181552, 197762, 260981, 298264, 395524, 521962, 596528, 692167, 791048, 1043924, 1384334, 1582096, 2087848, 2274263, 2768668, 4175696, 4548526, 5537336, 9097052, 11074672, 15919841, 18194104, 31839682, 36388208, 63679364, 127358728, 254717456]

約数ペア:

[(1, 254717456), (2, 127358728), (4, 63679364), (7, 36388208), (8, 31839682), (14, 18194104), (16, 15919841), (23, 11074672), (28, 9097052), (46, 5537336), (56, 4548526), (61, 4175696), (92, 2768668), (112, 2274263), (122, 2087848), (161, 1582096), (184, 1384334), (244, 1043924), (322, 791048), (368, 692167), (427, 596528), (488, 521962), (644, 395524), (854, 298264), (976, 260981), (1288, 197762), (1403, 181552), (1621, 157136), (1708, 149132), (2576, 98881), (2806, 90776), (3242, 78568), (3416, 74566), (5612, 45388), (6484, 39284), (6832, 37283), (9821, 25936), (11224, 22694), (11347, 22448), (12968, 19642)]