823406980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{9151}}^1$

素因数の和:9580

約数の個数: 48

約数和(自身を含む): 1891169280

約数和(自身を除く): 1067762300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4499, 8180, 8998, 9151, 17996, 18302, 22495, 36604, 44990, 45755, 89980, 91510, 100661, 183020, 201322, 402644, 503305, 1006610, 2013220, 3742759, 7485518, 14971036, 18713795, 37427590, 41170349, 74855180, 82340698, 164681396, 205851745, 411703490, 823406980]

約数ペア:

[(1, 823406980), (2, 411703490), (4, 205851745), (5, 164681396), (10, 82340698), (11, 74855180), (20, 41170349), (22, 37427590), (44, 18713795), (55, 14971036), (110, 7485518), (220, 3742759), (409, 2013220), (818, 1006610), (1636, 503305), (2045, 402644), (4090, 201322), (4499, 183020), (8180, 100661), (8998, 91510), (9151, 89980), (17996, 45755), (18302, 44990), (22495, 36604)]