218361010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 467596800

約数和(自身を除く): 249235790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 263, 290, 406, 409, 526, 818, 1015, 1315, 1841, 2030, 2045, 2630, 2863, 3682, 4090, 5726, 7627, 9205, 11861, 14315, 15254, 18410, 23722, 28630, 38135, 53389, 59305, 76270, 83027, 106778, 107567, 118610, 166054, 215134, 266945, 415135, 533890, 537835, 752969, 830270, 1075670, 1505938, 3119443, 3764845, 6238886, 7529690, 15597215, 21836101, 31194430, 43672202, 109180505, 218361010]

約数ペア:

[(1, 218361010), (2, 109180505), (5, 43672202), (7, 31194430), (10, 21836101), (14, 15597215), (29, 7529690), (35, 6238886), (58, 3764845), (70, 3119443), (145, 1505938), (203, 1075670), (263, 830270), (290, 752969), (406, 537835), (409, 533890), (526, 415135), (818, 266945), (1015, 215134), (1315, 166054), (1841, 118610), (2030, 107567), (2045, 106778), (2630, 83027), (2863, 76270), (3682, 59305), (4090, 53389), (5726, 38135), (7627, 28630), (9205, 23722), (11861, 18410), (14315, 15254)]