1390757744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{449}}^1$

素因数の和:942

約数の個数: 80

約数和(自身を含む): 2973024000

約数和(自身を除く): 1582266256

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 443, 449, 874, 886, 898, 1748, 1772, 1796, 3496, 3544, 3592, 6992, 7088, 7184, 8417, 8531, 10189, 10327, 16834, 17062, 20378, 20654, 33668, 34124, 40756, 41308, 67336, 68248, 81512, 82616, 134672, 136496, 163024, 165232, 193591, 196213, 198907, 387182, 392426, 397814, 774364, 784852, 795628, 1548728, 1569704, 1591256, 3097456, 3139408, 3182512, 3779233, 4574861, 7558466, 9149722, 15116932, 18299444, 30233864, 36598888, 60467728, 73197776, 86922359, 173844718, 347689436, 695378872, 1390757744]

約数ペア:

[(1, 1390757744), (2, 695378872), (4, 347689436), (8, 173844718), (16, 86922359), (19, 73197776), (23, 60467728), (38, 36598888), (46, 30233864), (76, 18299444), (92, 15116932), (152, 9149722), (184, 7558466), (304, 4574861), (368, 3779233), (437, 3182512), (443, 3139408), (449, 3097456), (874, 1591256), (886, 1569704), (898, 1548728), (1748, 795628), (1772, 784852), (1796, 774364), (3496, 397814), (3544, 392426), (3592, 387182), (6992, 198907), (7088, 196213), (7184, 193591), (8417, 165232), (8531, 163024), (10189, 136496), (10327, 134672), (16834, 82616), (17062, 81512), (20378, 68248), (20654, 67336), (33668, 41308), (34124, 40756)]