13394620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 29988000

約数和(自身を除く): 16593380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 349, 380, 404, 505, 698, 1010, 1396, 1745, 1919, 2020, 3490, 3838, 6631, 6980, 7676, 9595, 13262, 19190, 26524, 33155, 35249, 38380, 66310, 70498, 132620, 140996, 176245, 352490, 669731, 704980, 1339462, 2678924, 3348655, 6697310, 13394620]

約数ペア:

[(1, 13394620), (2, 6697310), (4, 3348655), (5, 2678924), (10, 1339462), (19, 704980), (20, 669731), (38, 352490), (76, 176245), (95, 140996), (101, 132620), (190, 70498), (202, 66310), (349, 38380), (380, 35249), (404, 33155), (505, 26524), (698, 19190), (1010, 13262), (1396, 9595), (1745, 7676), (1919, 6980), (2020, 6631), (3490, 3838)]