219065390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 399168000

約数和(自身を除く): 180102610

約数列:

[1, 2, 5, 10, 139, 278, 359, 439, 695, 718, 878, 1390, 1795, 2195, 3590, 4390, 49901, 61021, 99802, 122042, 157601, 249505, 305105, 315202, 499010, 610210, 788005, 1576010, 21906539, 43813078, 109532695, 219065390]

約数ペア:

[(1, 219065390), (2, 109532695), (5, 43813078), (10, 21906539), (139, 1576010), (278, 788005), (359, 610210), (439, 499010), (695, 315202), (718, 305105), (878, 249505), (1390, 157601), (1795, 122042), (2195, 99802), (3590, 61021), (4390, 49901)]