68684420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28859}}^1$

素因数の和:28892

約数の個数: 48

約数和(自身を含む): 174545280

約数和(自身を除く): 105860860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 28859, 57718, 115436, 144295, 202013, 288590, 404026, 490603, 577180, 808052, 981206, 1010065, 1962412, 2020130, 2453015, 3434221, 4040260, 4906030, 6868442, 9812060, 13736884, 17171105, 34342210, 68684420]

約数ペア:

[(1, 68684420), (2, 34342210), (4, 17171105), (5, 13736884), (7, 9812060), (10, 6868442), (14, 4906030), (17, 4040260), (20, 3434221), (28, 2453015), (34, 2020130), (35, 1962412), (68, 1010065), (70, 981206), (85, 808052), (119, 577180), (140, 490603), (170, 404026), (238, 288590), (340, 202013), (476, 144295), (595, 115436), (1190, 57718), (2380, 28859)]