201649525

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 320604480

約数和(自身を除く): 118954955

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 89, 107, 121, 175, 275, 385, 445, 535, 605, 623, 749, 847, 979, 1177, 1925, 2225, 2675, 3025, 3115, 3745, 4235, 4895, 5885, 6853, 8239, 9523, 10769, 12947, 15575, 18725, 21175, 24475, 29425, 34265, 41195, 47615, 53845, 64735, 66661, 75383, 90629, 104753, 171325, 205975, 238075, 269225, 323675, 333305, 376915, 453145, 523765, 733271, 1152283, 1666525, 1884575, 2265725, 2618825, 3666355, 5761415, 8065981, 18331775, 28807075, 40329905, 201649525]

約数ペア:

[(1, 201649525), (5, 40329905), (7, 28807075), (11, 18331775), (25, 8065981), (35, 5761415), (55, 3666355), (77, 2618825), (89, 2265725), (107, 1884575), (121, 1666525), (175, 1152283), (275, 733271), (385, 523765), (445, 453145), (535, 376915), (605, 333305), (623, 323675), (749, 269225), (847, 238075), (979, 205975), (1177, 171325), (1925, 104753), (2225, 90629), (2675, 75383), (3025, 66661), (3115, 64735), (3745, 53845), (4235, 47615), (4895, 41195), (5885, 34265), (6853, 29425), (8239, 24475), (9523, 21175), (10769, 18725), (12947, 15575)]