121238920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{275543}}^1$

素因数の和:275565

約数の個数: 32

約数和(自身を含む): 297587520

約数和(自身を除く): 176348600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 275543, 551086, 1102172, 1377715, 2204344, 2755430, 3030973, 5510860, 6061946, 11021720, 12123892, 15154865, 24247784, 30309730, 60619460, 121238920]

約数ペア:

[(1, 121238920), (2, 60619460), (4, 30309730), (5, 24247784), (8, 15154865), (10, 12123892), (11, 11021720), (20, 6061946), (22, 5510860), (40, 3030973), (44, 2755430), (55, 2204344), (88, 1377715), (110, 1102172), (220, 551086), (440, 275543)]