22170940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{563}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 51166080

約数和(自身を除く): 28995140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 563, 716, 895, 1126, 1790, 1969, 2252, 2815, 3580, 3938, 5630, 6193, 7876, 9845, 11260, 12386, 19690, 24772, 30965, 39380, 61930, 100777, 123860, 201554, 403108, 503885, 1007770, 1108547, 2015540, 2217094, 4434188, 5542735, 11085470, 22170940]

約数ペア:

[(1, 22170940), (2, 11085470), (4, 5542735), (5, 4434188), (10, 2217094), (11, 2015540), (20, 1108547), (22, 1007770), (44, 503885), (55, 403108), (110, 201554), (179, 123860), (220, 100777), (358, 61930), (563, 39380), (716, 30965), (895, 24772), (1126, 19690), (1790, 12386), (1969, 11260), (2252, 9845), (2815, 7876), (3580, 6193), (3938, 5630)]