8011990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 17064432

約数和(自身を除く): 9052442

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 197, 245, 394, 415, 490, 581, 830, 985, 1162, 1379, 1970, 2758, 2905, 4067, 5810, 6895, 8134, 9653, 13790, 16351, 19306, 20335, 32702, 40670, 48265, 81755, 96530, 114457, 163510, 228914, 572285, 801199, 1144570, 1602398, 4005995, 8011990]

約数ペア:

[(1, 8011990), (2, 4005995), (5, 1602398), (7, 1144570), (10, 801199), (14, 572285), (35, 228914), (49, 163510), (70, 114457), (83, 96530), (98, 81755), (166, 48265), (197, 40670), (245, 32702), (394, 20335), (415, 19306), (490, 16351), (581, 13790), (830, 9653), (985, 8134), (1162, 6895), (1379, 5810), (1970, 4067), (2758, 2905)]