278103852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:744

約数の個数: 144

約数和(自身を含む): 809652480

約数和(自身を除く): 531548628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 31, 36, 39, 52, 58, 62, 78, 87, 93, 116, 117, 124, 156, 174, 186, 234, 261, 279, 348, 372, 377, 403, 468, 522, 558, 661, 754, 806, 899, 1044, 1116, 1131, 1209, 1322, 1508, 1612, 1798, 1983, 2262, 2418, 2644, 2697, 3393, 3596, 3627, 3966, 4524, 4836, 5394, 5949, 6786, 7254, 7932, 8091, 8593, 10788, 11687, 11898, 13572, 14508, 16182, 17186, 19169, 20491, 23374, 23796, 25779, 32364, 34372, 35061, 38338, 40982, 46748, 51558, 57507, 61473, 70122, 76676, 77337, 81964, 103116, 105183, 115014, 122946, 140244, 154674, 172521, 184419, 210366, 230028, 245892, 249197, 266383, 309348, 345042, 368838, 420732, 498394, 532766, 594239, 690084, 737676, 747591, 799149, 996788, 1065532, 1188478, 1495182, 1598298, 1782717, 2242773, 2376956, 2397447, 2990364, 3196596, 3565434, 4485546, 4794894, 5348151, 7130868, 7725107, 8971092, 9589788, 10696302, 15450214, 21392604, 23175321, 30900428, 46350642, 69525963, 92701284, 139051926, 278103852]

約数ペア:

[(1, 278103852), (2, 139051926), (3, 92701284), (4, 69525963), (6, 46350642), (9, 30900428), (12, 23175321), (13, 21392604), (18, 15450214), (26, 10696302), (29, 9589788), (31, 8971092), (36, 7725107), (39, 7130868), (52, 5348151), (58, 4794894), (62, 4485546), (78, 3565434), (87, 3196596), (93, 2990364), (116, 2397447), (117, 2376956), (124, 2242773), (156, 1782717), (174, 1598298), (186, 1495182), (234, 1188478), (261, 1065532), (279, 996788), (348, 799149), (372, 747591), (377, 737676), (403, 690084), (468, 594239), (522, 532766), (558, 498394), (661, 420732), (754, 368838), (806, 345042), (899, 309348), (1044, 266383), (1116, 249197), (1131, 245892), (1209, 230028), (1322, 210366), (1508, 184419), (1612, 172521), (1798, 154674), (1983, 140244), (2262, 122946), (2418, 115014), (2644, 105183), (2697, 103116), (3393, 81964), (3596, 77337), (3627, 76676), (3966, 70122), (4524, 61473), (4836, 57507), (5394, 51558), (5949, 46748), (6786, 40982), (7254, 38338), (7932, 35061), (8091, 34372), (8593, 32364), (10788, 25779), (11687, 23796), (11898, 23374), (13572, 20491), (14508, 19169), (16182, 17186)]