131446140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{312967}}^1$

素因数の和:312986

約数の個数: 48

約数和(自身を含む): 420628992

約数和(自身を除く): 289182852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 312967, 625934, 938901, 1251868, 1564835, 1877802, 2190769, 3129670, 3755604, 4381538, 4694505, 6259340, 6572307, 8763076, 9389010, 10953845, 13144614, 18778020, 21907690, 26289228, 32861535, 43815380, 65723070, 131446140]

約数ペア:

[(1, 131446140), (2, 65723070), (3, 43815380), (4, 32861535), (5, 26289228), (6, 21907690), (7, 18778020), (10, 13144614), (12, 10953845), (14, 9389010), (15, 8763076), (20, 6572307), (21, 6259340), (28, 4694505), (30, 4381538), (35, 3755604), (42, 3129670), (60, 2190769), (70, 1877802), (84, 1564835), (105, 1251868), (140, 938901), (210, 625934), (420, 312967)]