28870704

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^2\times {\mathrm{379}}^1$

素因数の和:439

約数の個数: 90

約数和(自身を含む): 84686420

約数和(自身を除く): 55815716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 379, 414, 529, 552, 758, 828, 1058, 1104, 1137, 1516, 1587, 1656, 2116, 2274, 3032, 3174, 3312, 3411, 4232, 4548, 4761, 6064, 6348, 6822, 8464, 8717, 9096, 9522, 12696, 13644, 17434, 18192, 19044, 25392, 26151, 27288, 34868, 38088, 52302, 54576, 69736, 76176, 78453, 104604, 139472, 156906, 200491, 209208, 313812, 400982, 418416, 601473, 627624, 801964, 1202946, 1255248, 1603928, 1804419, 2405892, 3207856, 3608838, 4811784, 7217676, 9623568, 14435352, 28870704]

約数ペア:

[(1, 28870704), (2, 14435352), (3, 9623568), (4, 7217676), (6, 4811784), (8, 3608838), (9, 3207856), (12, 2405892), (16, 1804419), (18, 1603928), (23, 1255248), (24, 1202946), (36, 801964), (46, 627624), (48, 601473), (69, 418416), (72, 400982), (92, 313812), (138, 209208), (144, 200491), (184, 156906), (207, 139472), (276, 104604), (368, 78453), (379, 76176), (414, 69736), (529, 54576), (552, 52302), (758, 38088), (828, 34868), (1058, 27288), (1104, 26151), (1137, 25392), (1516, 19044), (1587, 18192), (1656, 17434), (2116, 13644), (2274, 12696), (3032, 9522), (3174, 9096), (3312, 8717), (3411, 8464), (4232, 6822), (4548, 6348), (4761, 6064)]