261888890330

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{12613}}^1$

素因数の和:13215

約数の個数: 64

約数和(自身を含む): 487925665920

約数和(自身を除く): 226036775590

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 443, 545, 886, 1090, 2215, 4430, 4687, 9374, 12613, 19049, 23435, 25226, 38098, 46870, 48287, 63065, 95245, 96574, 126130, 190490, 241435, 482870, 542359, 1084718, 1374817, 2076341, 2711795, 2749634, 4152682, 5423590, 5587559, 6874085, 10381705, 11175118, 13748170, 20763410, 27937795, 55875590, 59117131, 118234262, 240265037, 295585655, 480530074, 591171310, 609043931, 1201325185, 1218087862, 2402650370, 3045219655, 6090439310, 26188889033, 52377778066, 130944445165, 261888890330]

約数ペア:

[(1, 261888890330), (2, 130944445165), (5, 52377778066), (10, 26188889033), (43, 6090439310), (86, 3045219655), (109, 2402650370), (215, 1218087862), (218, 1201325185), (430, 609043931), (443, 591171310), (545, 480530074), (886, 295585655), (1090, 240265037), (2215, 118234262), (4430, 59117131), (4687, 55875590), (9374, 27937795), (12613, 20763410), (19049, 13748170), (23435, 11175118), (25226, 10381705), (38098, 6874085), (46870, 5587559), (48287, 5423590), (63065, 4152682), (95245, 2749634), (96574, 2711795), (126130, 2076341), (190490, 1374817), (241435, 1084718), (482870, 542359)]