1427296720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{939011}}^1$

素因数の和:939043

約数の個数: 40

約数和(自身を含む): 3493124640

約数和(自身を除く): 2065827920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 939011, 1878022, 3756044, 4695055, 7512088, 9390110, 15024176, 17841209, 18780220, 35682418, 37560440, 71364836, 75120880, 89206045, 142729672, 178412090, 285459344, 356824180, 713648360, 1427296720]

約数ペア:

[(1, 1427296720), (2, 713648360), (4, 356824180), (5, 285459344), (8, 178412090), (10, 142729672), (16, 89206045), (19, 75120880), (20, 71364836), (38, 37560440), (40, 35682418), (76, 18780220), (80, 17841209), (95, 15024176), (152, 9390110), (190, 7512088), (304, 4695055), (380, 3756044), (760, 1878022), (1520, 939011)]