289925888

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 725243904

約数和(自身を除く): 435318016

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 136, 217, 224, 238, 248, 256, 272, 307, 434, 448, 476, 496, 527, 544, 614, 868, 896, 952, 992, 1054, 1088, 1228, 1736, 1792, 1904, 1984, 2108, 2149, 2176, 2456, 3472, 3689, 3808, 3968, 4216, 4298, 4352, 4912, 5219, 6944, 7378, 7616, 7936, 8432, 8596, 9517, 9824, 10438, 13888, 14756, 15232, 16864, 17192, 19034, 19648, 20876, 27776, 29512, 30464, 33728, 34384, 36533, 38068, 39296, 41752, 55552, 59024, 66619, 67456, 68768, 73066, 76136, 78592, 83504, 118048, 133238, 134912, 137536, 146132, 152272, 161789, 167008, 236096, 266476, 275072, 292264, 304544, 323578, 334016, 472192, 532952, 550144, 584528, 609088, 647156, 668032, 944384, 1065904, 1132523, 1169056, 1218176, 1294312, 1336064, 2131808, 2265046, 2338112, 2436352, 2588624, 4263616, 4530092, 4676224, 5177248, 8527232, 9060184, 9352448, 10354496, 17054464, 18120368, 20708992, 36240736, 41417984, 72481472, 144962944, 289925888]

約数ペア:

[(1, 289925888), (2, 144962944), (4, 72481472), (7, 41417984), (8, 36240736), (14, 20708992), (16, 18120368), (17, 17054464), (28, 10354496), (31, 9352448), (32, 9060184), (34, 8527232), (56, 5177248), (62, 4676224), (64, 4530092), (68, 4263616), (112, 2588624), (119, 2436352), (124, 2338112), (128, 2265046), (136, 2131808), (217, 1336064), (224, 1294312), (238, 1218176), (248, 1169056), (256, 1132523), (272, 1065904), (307, 944384), (434, 668032), (448, 647156), (476, 609088), (496, 584528), (527, 550144), (544, 532952), (614, 472192), (868, 334016), (896, 323578), (952, 304544), (992, 292264), (1054, 275072), (1088, 266476), (1228, 236096), (1736, 167008), (1792, 161789), (1904, 152272), (1984, 146132), (2108, 137536), (2149, 134912), (2176, 133238), (2456, 118048), (3472, 83504), (3689, 78592), (3808, 76136), (3968, 73066), (4216, 68768), (4298, 67456), (4352, 66619), (4912, 59024), (5219, 55552), (6944, 41752), (7378, 39296), (7616, 38068), (7936, 36533), (8432, 34384), (8596, 33728), (9517, 30464), (9824, 29512), (10438, 27776), (13888, 20876), (14756, 19648), (15232, 19034), (16864, 17192)]