78819070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4003}}^1$

素因数の和:4200

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 76856450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 179, 358, 895, 1790, 1969, 3938, 4003, 8006, 9845, 19690, 20015, 40030, 44033, 88066, 220165, 440330, 716537, 1433074, 3582685, 7165370, 7881907, 15763814, 39409535, 78819070]

約数ペア:

[(1, 78819070), (2, 39409535), (5, 15763814), (10, 7881907), (11, 7165370), (22, 3582685), (55, 1433074), (110, 716537), (179, 440330), (358, 220165), (895, 88066), (1790, 44033), (1969, 40030), (3938, 20015), (4003, 19690), (8006, 9845)]