157638140

素因数分解:

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

素因数の和:4202

約数の個数: 48

約数和(自身を含む): 363242880

約数和(自身を除く): 205604740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 4003, 7876, 8006, 9845, 16012, 19690, 20015, 39380, 40030, 44033, 80060, 88066, 176132, 220165, 440330, 716537, 880660, 1433074, 2866148, 3582685, 7165370, 7881907, 14330740, 15763814, 31527628, 39409535, 78819070, 157638140]

約数ペア:

[(1, 157638140), (2, 78819070), (4, 39409535), (5, 31527628), (10, 15763814), (11, 14330740), (20, 7881907), (22, 7165370), (44, 3582685), (55, 2866148), (110, 1433074), (179, 880660), (220, 716537), (358, 440330), (716, 220165), (895, 176132), (1790, 88066), (1969, 80060), (3580, 44033), (3938, 40030), (4003, 39380), (7876, 20015), (8006, 19690), (9845, 16012)]