281372432

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 641208960

約数和(自身を除く): 359836528

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 71, 88, 89, 92, 121, 142, 176, 178, 184, 242, 253, 284, 356, 368, 484, 506, 568, 712, 781, 968, 979, 1012, 1136, 1424, 1562, 1633, 1936, 1958, 2024, 2047, 2783, 3124, 3266, 3916, 4048, 4094, 5566, 6248, 6319, 6532, 7832, 8188, 8591, 10769, 11132, 12496, 12638, 13064, 15664, 16376, 17182, 17963, 21538, 22264, 22517, 25276, 26128, 32752, 34364, 35926, 43076, 44528, 45034, 50552, 68728, 69509, 71852, 86152, 90068, 101104, 137456, 139018, 143704, 145337, 172304, 180136, 197593, 247687, 278036, 287408, 290674, 360272, 395186, 495374, 556072, 581348, 764599, 790372, 990748, 1112144, 1162696, 1529198, 1580744, 1598707, 1981496, 2325392, 3058396, 3161488, 3197414, 3962992, 6116792, 6394828, 12233584, 12789656, 17585777, 25579312, 35171554, 70343108, 140686216, 281372432]

約数ペア:

[(1, 281372432), (2, 140686216), (4, 70343108), (8, 35171554), (11, 25579312), (16, 17585777), (22, 12789656), (23, 12233584), (44, 6394828), (46, 6116792), (71, 3962992), (88, 3197414), (89, 3161488), (92, 3058396), (121, 2325392), (142, 1981496), (176, 1598707), (178, 1580744), (184, 1529198), (242, 1162696), (253, 1112144), (284, 990748), (356, 790372), (368, 764599), (484, 581348), (506, 556072), (568, 495374), (712, 395186), (781, 360272), (968, 290674), (979, 287408), (1012, 278036), (1136, 247687), (1424, 197593), (1562, 180136), (1633, 172304), (1936, 145337), (1958, 143704), (2024, 139018), (2047, 137456), (2783, 101104), (3124, 90068), (3266, 86152), (3916, 71852), (4048, 69509), (4094, 68728), (5566, 50552), (6248, 45034), (6319, 44528), (6532, 43076), (7832, 35926), (8188, 34364), (8591, 32752), (10769, 26128), (11132, 25276), (12496, 22517), (12638, 22264), (13064, 21538), (15664, 17963), (16376, 17182)]