280138285

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1579}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 397704960

約数和(自身を除く): 117566675

約数列:

[1, 5, 7, 35, 37, 137, 185, 259, 685, 959, 1295, 1579, 4795, 5069, 7895, 11053, 25345, 35483, 55265, 58423, 177415, 216323, 292115, 408961, 1081615, 1514261, 2044805, 7571305, 8003951, 40019755, 56027657, 280138285]

約数ペア:

[(1, 280138285), (5, 56027657), (7, 40019755), (35, 8003951), (37, 7571305), (137, 2044805), (185, 1514261), (259, 1081615), (685, 408961), (959, 292115), (1295, 216323), (1579, 177415), (4795, 58423), (5069, 55265), (7895, 35483), (11053, 25345)]