205388635620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{489020561}}^1$

素因数の和:489020580

約数の個数: 48

約数和(自身を含む): 657243635328

約数和(自身を除く): 451854999708

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, 489020561, 978041122, 1467061683, 1956082244, 2445102805, 2934123366, 3423143927, 4890205610, 5868246732, 6846287854, 7335308415, 9780411220, 10269431781, 13692575708, 14670616830, 17115719635, 20538863562, 29341233660, 34231439270, 41077727124, 51347158905, 68462878540, 102694317810, 205388635620]

約数ペア:

[(1, 205388635620), (2, 102694317810), (3, 68462878540), (4, 51347158905), (5, 41077727124), (6, 34231439270), (7, 29341233660), (10, 20538863562), (12, 17115719635), (14, 14670616830), (15, 13692575708), (20, 10269431781), (21, 9780411220), (28, 7335308415), (30, 6846287854), (35, 5868246732), (42, 4890205610), (60, 3423143927), (70, 2934123366), (84, 2445102805), (105, 1956082244), (140, 1467061683), (210, 978041122), (420, 489020561)]