17887630420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{114679}}^1$

素因数の和:115408

約数の個数: 48

約数和(自身を含む): 41037091200

約数和(自身を除く): 23149460780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 709, 1418, 2836, 3545, 7090, 7799, 14180, 15598, 31196, 38995, 77990, 114679, 155980, 229358, 458716, 573395, 1146790, 1261469, 2293580, 2522938, 5045876, 6307345, 12614690, 25229380, 81307411, 162614822, 325229644, 406537055, 813074110, 894381521, 1626148220, 1788763042, 3577526084, 4471907605, 8943815210, 17887630420]

約数ペア:

[(1, 17887630420), (2, 8943815210), (4, 4471907605), (5, 3577526084), (10, 1788763042), (11, 1626148220), (20, 894381521), (22, 813074110), (44, 406537055), (55, 325229644), (110, 162614822), (220, 81307411), (709, 25229380), (1418, 12614690), (2836, 6307345), (3545, 5045876), (7090, 2522938), (7799, 2293580), (14180, 1261469), (15598, 1146790), (31196, 573395), (38995, 458716), (77990, 229358), (114679, 155980)]