261177990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{458207}}^1$

素因数の和:458236

約数の個数: 32

約数和(自身を含む): 659819520

約数和(自身を除く): 398641530

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 458207, 916414, 1374621, 2291035, 2749242, 4582070, 6873105, 8705933, 13746210, 17411866, 26117799, 43529665, 52235598, 87059330, 130588995, 261177990]

約数ペア:

[(1, 261177990), (2, 130588995), (3, 87059330), (5, 52235598), (6, 43529665), (10, 26117799), (15, 17411866), (19, 13746210), (30, 8705933), (38, 6873105), (57, 4582070), (95, 2749242), (114, 2291035), (190, 1374621), (285, 916414), (570, 458207)]