65557660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2377}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 158203584

約数和(自身を除く): 92645924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2377, 2758, 3940, 4754, 5516, 6895, 9508, 11885, 13790, 16639, 23770, 27580, 33278, 47540, 66556, 83195, 166390, 332780, 468269, 936538, 1873076, 2341345, 3277883, 4682690, 6555766, 9365380, 13111532, 16389415, 32778830, 65557660]

約数ペア:

[(1, 65557660), (2, 32778830), (4, 16389415), (5, 13111532), (7, 9365380), (10, 6555766), (14, 4682690), (20, 3277883), (28, 2341345), (35, 1873076), (70, 936538), (140, 468269), (197, 332780), (394, 166390), (788, 83195), (985, 66556), (1379, 47540), (1970, 33278), (2377, 27580), (2758, 23770), (3940, 16639), (4754, 13790), (5516, 11885), (6895, 9508)]