311794670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{123239}}^1$

素因数の和:123280

約数の個数: 32

約数和(自身を含む): 638876160

約数和(自身を除く): 327081490

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 123239, 246478, 616195, 1232390, 1355629, 2711258, 2834497, 5668994, 6778145, 13556290, 14172485, 28344970, 31179467, 62358934, 155897335, 311794670]

約数ペア:

[(1, 311794670), (2, 155897335), (5, 62358934), (10, 31179467), (11, 28344970), (22, 14172485), (23, 13556290), (46, 6778145), (55, 5668994), (110, 2834497), (115, 2711258), (230, 1355629), (253, 1232390), (506, 616195), (1265, 246478), (2530, 123239)]