281246504

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 705438720

約数和(自身を除く): 424192216

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 107, 119, 136, 154, 187, 214, 238, 251, 308, 374, 428, 476, 502, 616, 748, 749, 856, 952, 1004, 1177, 1309, 1496, 1498, 1757, 1819, 2008, 2354, 2618, 2761, 2996, 3514, 3638, 4267, 4708, 5236, 5522, 5992, 7028, 7276, 8239, 8534, 9416, 10472, 11044, 12733, 14056, 14552, 16478, 17068, 19327, 20009, 22088, 25466, 26857, 29869, 32956, 34136, 38654, 40018, 46937, 50932, 53714, 59738, 65912, 77308, 80036, 93874, 101864, 107428, 119476, 140063, 154616, 160072, 187748, 187999, 214856, 238952, 280126, 295427, 328559, 375496, 375998, 456569, 560252, 590854, 657118, 751996, 913138, 1120504, 1181708, 1314236, 1503992, 1826276, 2067989, 2363416, 2628472, 3195983, 3652552, 4135978, 5022259, 6391966, 8271956, 10044518, 12783932, 16543912, 20089036, 25567864, 35155813, 40178072, 70311626, 140623252, 281246504]

約数ペア:

[(1, 281246504), (2, 140623252), (4, 70311626), (7, 40178072), (8, 35155813), (11, 25567864), (14, 20089036), (17, 16543912), (22, 12783932), (28, 10044518), (34, 8271956), (44, 6391966), (56, 5022259), (68, 4135978), (77, 3652552), (88, 3195983), (107, 2628472), (119, 2363416), (136, 2067989), (154, 1826276), (187, 1503992), (214, 1314236), (238, 1181708), (251, 1120504), (308, 913138), (374, 751996), (428, 657118), (476, 590854), (502, 560252), (616, 456569), (748, 375998), (749, 375496), (856, 328559), (952, 295427), (1004, 280126), (1177, 238952), (1309, 214856), (1496, 187999), (1498, 187748), (1757, 160072), (1819, 154616), (2008, 140063), (2354, 119476), (2618, 107428), (2761, 101864), (2996, 93874), (3514, 80036), (3638, 77308), (4267, 65912), (4708, 59738), (5236, 53714), (5522, 50932), (5992, 46937), (7028, 40018), (7276, 38654), (8239, 34136), (8534, 32956), (9416, 29869), (10472, 26857), (11044, 25466), (12733, 22088), (14056, 20009), (14552, 19327), (16478, 17068)]