129785740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5179}}^1$

素因数の和:5374

約数の個数: 48

約数和(自身を含む): 313286400

約数和(自身を除く): 183500660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 5179, 6265, 10358, 12530, 20716, 25060, 25895, 36253, 51790, 72506, 103580, 145012, 181265, 362530, 725060, 927041, 1854082, 3708164, 4635205, 6489287, 9270410, 12978574, 18540820, 25957148, 32446435, 64892870, 129785740]

約数ペア:

[(1, 129785740), (2, 64892870), (4, 32446435), (5, 25957148), (7, 18540820), (10, 12978574), (14, 9270410), (20, 6489287), (28, 4635205), (35, 3708164), (70, 1854082), (140, 927041), (179, 725060), (358, 362530), (716, 181265), (895, 145012), (1253, 103580), (1790, 72506), (2506, 51790), (3580, 36253), (5012, 25895), (5179, 25060), (6265, 20716), (10358, 12530)]