2105785220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1367393}}^1$

素因数の和:1367420

約数の個数: 48

約数和(自身を含む): 5513332608

約数和(自身を除く): 3407547388

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1367393, 2734786, 5469572, 6836965, 9571751, 13673930, 15041323, 19143502, 27347860, 30082646, 38287004, 47858755, 60165292, 75206615, 95717510, 105289261, 150413230, 191435020, 210578522, 300826460, 421157044, 526446305, 1052892610, 2105785220]

約数ペア:

[(1, 2105785220), (2, 1052892610), (4, 526446305), (5, 421157044), (7, 300826460), (10, 210578522), (11, 191435020), (14, 150413230), (20, 105289261), (22, 95717510), (28, 75206615), (35, 60165292), (44, 47858755), (55, 38287004), (70, 30082646), (77, 27347860), (110, 19143502), (140, 15041323), (154, 13673930), (220, 9571751), (308, 6836965), (385, 5469572), (770, 2734786), (1540, 1367393)]