1730342020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{20219}}^1$

素因数の和:20628

約数の個数: 48

約数和(自身を含む): 3974443200

約数和(自身を除く): 2244101180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 389, 778, 1556, 1945, 3890, 4279, 7780, 8558, 17116, 20219, 21395, 40438, 42790, 80876, 85580, 101095, 202190, 222409, 404380, 444818, 889636, 1112045, 2224090, 4448180, 7865191, 15730382, 31460764, 39325955, 78651910, 86517101, 157303820, 173034202, 346068404, 432585505, 865171010, 1730342020]

約数ペア:

[(1, 1730342020), (2, 865171010), (4, 432585505), (5, 346068404), (10, 173034202), (11, 157303820), (20, 86517101), (22, 78651910), (44, 39325955), (55, 31460764), (110, 15730382), (220, 7865191), (389, 4448180), (778, 2224090), (1556, 1112045), (1945, 889636), (3890, 444818), (4279, 404380), (7780, 222409), (8558, 202190), (17116, 101095), (20219, 85580), (21395, 80876), (40438, 42790)]