2529890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 5037120

約数和(自身を除く): 2507230

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 211, 218, 422, 545, 1055, 1090, 1199, 2110, 2321, 2398, 4642, 5995, 11605, 11990, 22999, 23210, 45998, 114995, 229990, 252989, 505978, 1264945, 2529890]

約数ペア:

[(1, 2529890), (2, 1264945), (5, 505978), (10, 252989), (11, 229990), (22, 114995), (55, 45998), (109, 23210), (110, 22999), (211, 11990), (218, 11605), (422, 5995), (545, 4642), (1055, 2398), (1090, 2321), (1199, 2110)]