261240400

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{6733}}^1$

素因数の和:6848

約数の個数: 60

約数和(自身を含む): 634194652

約数和(自身を除く): 372954252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 776, 970, 1552, 1940, 2425, 3880, 4850, 6733, 7760, 9700, 13466, 19400, 26932, 33665, 38800, 53864, 67330, 107728, 134660, 168325, 269320, 336650, 538640, 653101, 673300, 1306202, 1346600, 2612404, 2693200, 3265505, 5224808, 6531010, 10449616, 13062020, 16327525, 26124040, 32655050, 52248080, 65310100, 130620200, 261240400]

約数ペア:

[(1, 261240400), (2, 130620200), (4, 65310100), (5, 52248080), (8, 32655050), (10, 26124040), (16, 16327525), (20, 13062020), (25, 10449616), (40, 6531010), (50, 5224808), (80, 3265505), (97, 2693200), (100, 2612404), (194, 1346600), (200, 1306202), (388, 673300), (400, 653101), (485, 538640), (776, 336650), (970, 269320), (1552, 168325), (1940, 134660), (2425, 107728), (3880, 67330), (4850, 53864), (6733, 38800), (7760, 33665), (9700, 26932), (13466, 19400)]