280009856

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:662

約数の個数: 128

約数和(自身を含む): 697973760

約数和(自身を除く): 417963904

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, 272, 434, 448, 476, 496, 527, 544, 593, 868, 896, 952, 992, 1054, 1088, 1186, 1736, 1904, 1984, 2108, 2176, 2372, 3472, 3689, 3808, 3968, 4151, 4216, 4744, 6944, 7378, 7616, 8302, 8432, 9488, 10081, 13888, 14756, 15232, 16604, 16864, 18383, 18976, 20162, 27776, 29512, 33208, 33728, 36766, 37952, 40324, 59024, 66416, 67456, 70567, 73532, 75904, 80648, 118048, 128681, 132832, 141134, 147064, 161296, 236096, 257362, 265664, 282268, 294128, 312511, 322592, 472192, 514724, 531328, 564536, 588256, 625022, 645184, 1029448, 1129072, 1176512, 1250044, 1290368, 2058896, 2187577, 2258144, 2353024, 2500088, 4117792, 4375154, 4516288, 5000176, 8235584, 8750308, 9032576, 10000352, 16471168, 17500616, 20000704, 35001232, 40001408, 70002464, 140004928, 280009856]

約数ペア:

[(1, 280009856), (2, 140004928), (4, 70002464), (7, 40001408), (8, 35001232), (14, 20000704), (16, 17500616), (17, 16471168), (28, 10000352), (31, 9032576), (32, 8750308), (34, 8235584), (56, 5000176), (62, 4516288), (64, 4375154), (68, 4117792), (112, 2500088), (119, 2353024), (124, 2258144), (128, 2187577), (136, 2058896), (217, 1290368), (224, 1250044), (238, 1176512), (248, 1129072), (272, 1029448), (434, 645184), (448, 625022), (476, 588256), (496, 564536), (527, 531328), (544, 514724), (593, 472192), (868, 322592), (896, 312511), (952, 294128), (992, 282268), (1054, 265664), (1088, 257362), (1186, 236096), (1736, 161296), (1904, 147064), (1984, 141134), (2108, 132832), (2176, 128681), (2372, 118048), (3472, 80648), (3689, 75904), (3808, 73532), (3968, 70567), (4151, 67456), (4216, 66416), (4744, 59024), (6944, 40324), (7378, 37952), (7616, 36766), (8302, 33728), (8432, 33208), (9488, 29512), (10081, 27776), (13888, 20162), (14756, 18976), (15232, 18383), (16604, 16864)]