211719020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{13249}}^1$

素因数の和:13322

約数の個数: 48

約数和(自身を含む): 480816000

約数和(自身を除く): 269096980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 7990, 13249, 15980, 26498, 52996, 66245, 132490, 225233, 264980, 450466, 622703, 900932, 1126165, 1245406, 2252330, 2490812, 3113515, 4504660, 6227030, 10585951, 12454060, 21171902, 42343804, 52929755, 105859510, 211719020]

約数ペア:

[(1, 211719020), (2, 105859510), (4, 52929755), (5, 42343804), (10, 21171902), (17, 12454060), (20, 10585951), (34, 6227030), (47, 4504660), (68, 3113515), (85, 2490812), (94, 2252330), (170, 1245406), (188, 1126165), (235, 900932), (340, 622703), (470, 450466), (799, 264980), (940, 225233), (1598, 132490), (3196, 66245), (3995, 52996), (7990, 26498), (13249, 15980)]