156988540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2551}}^1$

素因数の和:2758

約数の個数: 48

約数和(自身を含む): 351134784

約数和(自身を除く): 194146244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 340, 362, 724, 905, 1810, 2551, 3077, 3620, 5102, 6154, 10204, 12308, 12755, 15385, 25510, 30770, 43367, 51020, 61540, 86734, 173468, 216835, 433670, 461731, 867340, 923462, 1846924, 2308655, 4617310, 7849427, 9234620, 15698854, 31397708, 39247135, 78494270, 156988540]

約数ペア:

[(1, 156988540), (2, 78494270), (4, 39247135), (5, 31397708), (10, 15698854), (17, 9234620), (20, 7849427), (34, 4617310), (68, 2308655), (85, 1846924), (170, 923462), (181, 867340), (340, 461731), (362, 433670), (724, 216835), (905, 173468), (1810, 86734), (2551, 61540), (3077, 51020), (3620, 43367), (5102, 30770), (6154, 25510), (10204, 15385), (12308, 12755)]