153971420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{8011}}^1$

素因数の和:8082

約数の個数: 36

約数和(自身を含む): 334148472

約数和(自身を除く): 180177052

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 8011, 9610, 16022, 19220, 32044, 40055, 80110, 160220, 248341, 496682, 993364, 1241705, 2483410, 4966820, 7698571, 15397142, 30794284, 38492855, 76985710, 153971420]

約数ペア:

[(1, 153971420), (2, 76985710), (4, 38492855), (5, 30794284), (10, 15397142), (20, 7698571), (31, 4966820), (62, 2483410), (124, 1241705), (155, 993364), (310, 496682), (620, 248341), (961, 160220), (1922, 80110), (3844, 40055), (4805, 32044), (8011, 19220), (9610, 16022)]