2547537440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{324941}}^1$

素因数の和:324970

約数の個数: 72

約数和(自身を含む): 7001200332

約数和(自身を除く): 4453662892

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 324941, 649882, 1299764, 1624705, 2274587, 2599528, 3249410, 4549174, 5199056, 6498820, 9098348, 10398112, 11372935, 12997640, 15922109, 18196696, 22745870, 25995280, 31844218, 36393392, 45491740, 51990560, 63688436, 72786784, 79610545, 90983480, 127376872, 159221090, 181966960, 254753744, 318442180, 363933920, 509507488, 636884360, 1273768720, 2547537440]

約数ペア:

[(1, 2547537440), (2, 1273768720), (4, 636884360), (5, 509507488), (7, 363933920), (8, 318442180), (10, 254753744), (14, 181966960), (16, 159221090), (20, 127376872), (28, 90983480), (32, 79610545), (35, 72786784), (40, 63688436), (49, 51990560), (56, 45491740), (70, 36393392), (80, 31844218), (98, 25995280), (112, 22745870), (140, 18196696), (160, 15922109), (196, 12997640), (224, 11372935), (245, 10398112), (280, 9098348), (392, 6498820), (490, 5199056), (560, 4549174), (784, 3249410), (980, 2599528), (1120, 2274587), (1568, 1624705), (1960, 1299764), (3920, 649882), (7840, 324941)]