280951888

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{4909}}^1$

素因数の和:5004

約数の個数: 60

約数和(自身を含む): 642021780

約数和(自身を除く): 361069892

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 392, 511, 584, 784, 1022, 1168, 2044, 3577, 4088, 4909, 7154, 8176, 9818, 14308, 19636, 28616, 34363, 39272, 57232, 68726, 78544, 137452, 240541, 274904, 358357, 481082, 549808, 716714, 962164, 1433428, 1924328, 2508499, 2866856, 3848656, 5016998, 5733712, 10033996, 17559493, 20067992, 35118986, 40135984, 70237972, 140475944, 280951888]

約数ペア:

[(1, 280951888), (2, 140475944), (4, 70237972), (7, 40135984), (8, 35118986), (14, 20067992), (16, 17559493), (28, 10033996), (49, 5733712), (56, 5016998), (73, 3848656), (98, 2866856), (112, 2508499), (146, 1924328), (196, 1433428), (292, 962164), (392, 716714), (511, 549808), (584, 481082), (784, 358357), (1022, 274904), (1168, 240541), (2044, 137452), (3577, 78544), (4088, 68726), (4909, 57232), (7154, 39272), (8176, 34363), (9818, 28616), (14308, 19636)]