248426080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31687}}^1$

素因数の和:31716

約数の個数: 72

約数和(自身を含む): 682749648

約数和(自身を除く): 434323568

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, 31687, 63374, 126748, 158435, 221809, 253496, 316870, 443618, 506992, 633740, 887236, 1013984, 1109045, 1267480, 1552663, 1774472, 2218090, 2534960, 3105326, 3548944, 4436180, 5069920, 6210652, 7097888, 7763315, 8872360, 12421304, 15526630, 17744720, 24842608, 31053260, 35489440, 49685216, 62106520, 124213040, 248426080]

約数ペア:

[(1, 248426080), (2, 124213040), (4, 62106520), (5, 49685216), (7, 35489440), (8, 31053260), (10, 24842608), (14, 17744720), (16, 15526630), (20, 12421304), (28, 8872360), (32, 7763315), (35, 7097888), (40, 6210652), (49, 5069920), (56, 4436180), (70, 3548944), (80, 3105326), (98, 2534960), (112, 2218090), (140, 1774472), (160, 1552663), (196, 1267480), (224, 1109045), (245, 1013984), (280, 887236), (392, 633740), (490, 506992), (560, 443618), (784, 316870), (980, 253496), (1120, 221809), (1568, 158435), (1960, 126748), (3920, 63374), (7840, 31687)]