409496780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1913}}^1$

素因数の和:2079

約数の個数: 96

約数和(自身を含む): 1080414720

約数和(自身を除く): 670917940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 139, 140, 154, 220, 278, 308, 385, 556, 695, 770, 973, 1390, 1529, 1540, 1913, 1946, 2780, 3058, 3826, 3892, 4865, 6116, 7645, 7652, 9565, 9730, 10703, 13391, 15290, 19130, 19460, 21043, 21406, 26782, 30580, 38260, 42086, 42812, 53515, 53564, 66955, 84172, 105215, 107030, 133910, 147301, 210430, 214060, 265907, 267820, 294602, 420860, 531814, 589204, 736505, 1063628, 1329535, 1473010, 1861349, 2659070, 2924977, 2946020, 3722698, 5318140, 5849954, 7445396, 9306745, 11699908, 14624885, 18613490, 20474839, 29249770, 37226980, 40949678, 58499540, 81899356, 102374195, 204748390, 409496780]

約数ペア:

[(1, 409496780), (2, 204748390), (4, 102374195), (5, 81899356), (7, 58499540), (10, 40949678), (11, 37226980), (14, 29249770), (20, 20474839), (22, 18613490), (28, 14624885), (35, 11699908), (44, 9306745), (55, 7445396), (70, 5849954), (77, 5318140), (110, 3722698), (139, 2946020), (140, 2924977), (154, 2659070), (220, 1861349), (278, 1473010), (308, 1329535), (385, 1063628), (556, 736505), (695, 589204), (770, 531814), (973, 420860), (1390, 294602), (1529, 267820), (1540, 265907), (1913, 214060), (1946, 210430), (2780, 147301), (3058, 133910), (3826, 107030), (3892, 105215), (4865, 84172), (6116, 66955), (7645, 53564), (7652, 53515), (9565, 42812), (9730, 42086), (10703, 38260), (13391, 30580), (15290, 26782), (19130, 21406), (19460, 21043)]