2186540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4989600

約数和(自身を除く): 2803060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 109, 118, 170, 218, 236, 295, 340, 436, 545, 590, 1003, 1090, 1180, 1853, 2006, 2180, 3706, 4012, 5015, 6431, 7412, 9265, 10030, 12862, 18530, 20060, 25724, 32155, 37060, 64310, 109327, 128620, 218654, 437308, 546635, 1093270, 2186540]

約数ペア:

[(1, 2186540), (2, 1093270), (4, 546635), (5, 437308), (10, 218654), (17, 128620), (20, 109327), (34, 64310), (59, 37060), (68, 32155), (85, 25724), (109, 20060), (118, 18530), (170, 12862), (218, 10030), (236, 9265), (295, 7412), (340, 6431), (436, 5015), (545, 4012), (590, 3706), (1003, 2180), (1090, 2006), (1180, 1853)]