155123210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{128201}}^1$

素因数の和:128230

約数の個数: 24

約数和(自身を含む): 306915588

約数和(自身を除く): 151792378

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 128201, 256402, 641005, 1282010, 1410211, 2820422, 7051055, 14102110, 15512321, 31024642, 77561605, 155123210]

約数ペア:

[(1, 155123210), (2, 77561605), (5, 31024642), (10, 15512321), (11, 14102110), (22, 7051055), (55, 2820422), (110, 1410211), (121, 1282010), (242, 641005), (605, 256402), (1210, 128201)]