202105420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 464196096

約数和(自身を除く): 262090676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 491, 982, 1871, 1964, 2455, 3742, 4910, 5401, 7484, 9355, 9820, 10802, 18710, 20581, 21604, 27005, 37420, 41162, 54010, 82324, 102905, 108020, 205810, 411620, 918661, 1837322, 3674644, 4593305, 9186610, 10105271, 18373220, 20210542, 40421084, 50526355, 101052710, 202105420]

約数ペア:

[(1, 202105420), (2, 101052710), (4, 50526355), (5, 40421084), (10, 20210542), (11, 18373220), (20, 10105271), (22, 9186610), (44, 4593305), (55, 3674644), (110, 1837322), (220, 918661), (491, 411620), (982, 205810), (1871, 108020), (1964, 102905), (2455, 82324), (3742, 54010), (4910, 41162), (5401, 37420), (7484, 27005), (9355, 21604), (9820, 20581), (10802, 18710)]