209984180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2377}}^1$

素因数の和:3024

約数の個数: 48

約数和(自身を含む): 504973056

約数和(自身を除く): 294988876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 2377, 2524, 3155, 4417, 4754, 6310, 8834, 9508, 11885, 12620, 16639, 17668, 22085, 23770, 33278, 44170, 47540, 66556, 83195, 88340, 166390, 332780, 1499887, 2999774, 5999548, 7499435, 10499209, 14998870, 20998418, 29997740, 41996836, 52496045, 104992090, 209984180]

約数ペア:

[(1, 209984180), (2, 104992090), (4, 52496045), (5, 41996836), (7, 29997740), (10, 20998418), (14, 14998870), (20, 10499209), (28, 7499435), (35, 5999548), (70, 2999774), (140, 1499887), (631, 332780), (1262, 166390), (2377, 88340), (2524, 83195), (3155, 66556), (4417, 47540), (4754, 44170), (6310, 33278), (8834, 23770), (9508, 22085), (11885, 17668), (12620, 16639)]