2009668060

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{7477}}^1$

素因数の和:7726

約数の個数: 48

約数和(自身を含む): 4296559680

約数和(自身を除く): 2286891620

約数列:

[1, 2, 4, 5, 10, 20, 89, 151, 178, 302, 356, 445, 604, 755, 890, 1510, 1780, 3020, 7477, 13439, 14954, 26878, 29908, 37385, 53756, 67195, 74770, 134390, 149540, 268780, 665453, 1129027, 1330906, 2258054, 2661812, 3327265, 4516108, 5645135, 6654530, 11290270, 13309060, 22580540, 100483403, 200966806, 401933612, 502417015, 1004834030, 2009668060]

約数ペア:

[(1, 2009668060), (2, 1004834030), (4, 502417015), (5, 401933612), (10, 200966806), (20, 100483403), (89, 22580540), (151, 13309060), (178, 11290270), (302, 6654530), (356, 5645135), (445, 4516108), (604, 3327265), (755, 2661812), (890, 2258054), (1510, 1330906), (1780, 1129027), (3020, 665453), (7477, 268780), (13439, 149540), (14954, 134390), (26878, 74770), (29908, 67195), (37385, 53756)]