201522310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{2011}}^1$

素因数の和:2940

約数の個数: 32

約数和(自身を含む): 396347904

約数和(自身を除く): 194825594

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 911, 1822, 2011, 4022, 4555, 9110, 10021, 10055, 20042, 20110, 22121, 44242, 50105, 100210, 110605, 221210, 1832021, 3664042, 9160105, 18320210, 20152231, 40304462, 100761155, 201522310]

約数ペア:

[(1, 201522310), (2, 100761155), (5, 40304462), (10, 20152231), (11, 18320210), (22, 9160105), (55, 3664042), (110, 1832021), (911, 221210), (1822, 110605), (2011, 100210), (4022, 50105), (4555, 44242), (9110, 22121), (10021, 20110), (10055, 20042)]