279771856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 440182064

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 89, 91, 104, 112, 119, 127, 136, 178, 182, 208, 221, 238, 254, 272, 356, 364, 442, 476, 508, 623, 712, 728, 884, 889, 952, 1016, 1157, 1246, 1424, 1456, 1513, 1547, 1651, 1768, 1778, 1904, 2032, 2159, 2314, 2492, 3026, 3094, 3302, 3536, 3556, 4318, 4628, 4984, 6052, 6188, 6604, 7112, 8099, 8636, 9256, 9968, 10591, 11303, 11557, 12104, 12376, 13208, 14224, 15113, 16198, 17272, 18512, 19669, 21182, 22606, 23114, 24208, 24752, 26416, 28067, 30226, 32396, 34544, 39338, 42364, 45212, 46228, 56134, 60452, 64792, 78676, 79121, 84728, 90424, 92456, 112268, 120904, 129584, 137683, 146939, 157352, 158242, 169456, 180848, 184912, 192151, 196469, 224536, 241808, 275366, 293878, 314704, 316484, 384302, 392938, 449072, 550732, 587756, 632968, 768604, 785876, 1028573, 1101464, 1175512, 1265936, 1345057, 1537208, 1571752, 2057146, 2202928, 2351024, 2497963, 2690114, 3074416, 3143504, 4114292, 4995926, 5380228, 8228584, 9991852, 10760456, 16457168, 17485741, 19983704, 21520912, 34971482, 39967408, 69942964, 139885928, 279771856]

約数ペア:

[(1, 279771856), (2, 139885928), (4, 69942964), (7, 39967408), (8, 34971482), (13, 21520912), (14, 19983704), (16, 17485741), (17, 16457168), (26, 10760456), (28, 9991852), (34, 8228584), (52, 5380228), (56, 4995926), (68, 4114292), (89, 3143504), (91, 3074416), (104, 2690114), (112, 2497963), (119, 2351024), (127, 2202928), (136, 2057146), (178, 1571752), (182, 1537208), (208, 1345057), (221, 1265936), (238, 1175512), (254, 1101464), (272, 1028573), (356, 785876), (364, 768604), (442, 632968), (476, 587756), (508, 550732), (623, 449072), (712, 392938), (728, 384302), (884, 316484), (889, 314704), (952, 293878), (1016, 275366), (1157, 241808), (1246, 224536), (1424, 196469), (1456, 192151), (1513, 184912), (1547, 180848), (1651, 169456), (1768, 158242), (1778, 157352), (1904, 146939), (2032, 137683), (2159, 129584), (2314, 120904), (2492, 112268), (3026, 92456), (3094, 90424), (3302, 84728), (3536, 79121), (3556, 78676), (4318, 64792), (4628, 60452), (4984, 56134), (6052, 46228), (6188, 45212), (6604, 42364), (7112, 39338), (8099, 34544), (8636, 32396), (9256, 30226), (9968, 28067), (10591, 26416), (11303, 24752), (11557, 24208), (12104, 23114), (12376, 22606), (13208, 21182), (14224, 19669), (15113, 18512), (16198, 17272)]