280550872

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 679170960

約数和(自身を除く): 398620088

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 37, 46, 49, 56, 58, 74, 92, 98, 116, 148, 161, 184, 196, 203, 232, 259, 296, 322, 392, 406, 518, 644, 667, 812, 841, 851, 1036, 1073, 1127, 1288, 1334, 1421, 1624, 1682, 1702, 1813, 2072, 2146, 2254, 2668, 2842, 3364, 3404, 3626, 4292, 4508, 4669, 5336, 5684, 5887, 5957, 6728, 6808, 7252, 7511, 8584, 9016, 9338, 11368, 11774, 11914, 14504, 15022, 18676, 19343, 23548, 23828, 24679, 30044, 31117, 32683, 37352, 38686, 41209, 41699, 47096, 47656, 49358, 52577, 60088, 62234, 65366, 77372, 82418, 83398, 98716, 105154, 124468, 130732, 135401, 154744, 164836, 166796, 172753, 197432, 210308, 217819, 248936, 261464, 270802, 329672, 333592, 345506, 420616, 435638, 541604, 691012, 715691, 871276, 947807, 1083208, 1209271, 1382024, 1431382, 1524733, 1742552, 1895614, 2418542, 2862764, 3049466, 3791228, 4837084, 5009837, 5725528, 6098932, 7582456, 9674168, 10019674, 12197864, 20039348, 35068859, 40078696, 70137718, 140275436, 280550872]

約数ペア:

[(1, 280550872), (2, 140275436), (4, 70137718), (7, 40078696), (8, 35068859), (14, 20039348), (23, 12197864), (28, 10019674), (29, 9674168), (37, 7582456), (46, 6098932), (49, 5725528), (56, 5009837), (58, 4837084), (74, 3791228), (92, 3049466), (98, 2862764), (116, 2418542), (148, 1895614), (161, 1742552), (184, 1524733), (196, 1431382), (203, 1382024), (232, 1209271), (259, 1083208), (296, 947807), (322, 871276), (392, 715691), (406, 691012), (518, 541604), (644, 435638), (667, 420616), (812, 345506), (841, 333592), (851, 329672), (1036, 270802), (1073, 261464), (1127, 248936), (1288, 217819), (1334, 210308), (1421, 197432), (1624, 172753), (1682, 166796), (1702, 164836), (1813, 154744), (2072, 135401), (2146, 130732), (2254, 124468), (2668, 105154), (2842, 98716), (3364, 83398), (3404, 82418), (3626, 77372), (4292, 65366), (4508, 62234), (4669, 60088), (5336, 52577), (5684, 49358), (5887, 47656), (5957, 47096), (6728, 41699), (6808, 41209), (7252, 38686), (7511, 37352), (8584, 32683), (9016, 31117), (9338, 30044), (11368, 24679), (11774, 23828), (11914, 23548), (14504, 19343), (15022, 18676)]