1920751490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 4289500800

約数和(自身を除く): 2368749310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 59, 70, 79, 98, 118, 145, 158, 203, 245, 290, 295, 395, 406, 413, 490, 553, 590, 790, 826, 841, 1015, 1106, 1421, 1682, 1711, 2030, 2065, 2291, 2765, 2842, 2891, 3422, 3871, 4130, 4205, 4582, 4661, 5530, 5782, 5887, 7105, 7742, 8410, 8555, 9322, 11455, 11774, 11977, 14210, 14455, 16037, 17110, 19355, 22910, 23305, 23954, 28910, 29435, 32074, 32627, 38710, 41209, 46610, 49619, 58870, 59885, 65254, 66439, 80185, 82418, 83839, 99238, 112259, 119770, 132878, 135169, 160370, 163135, 167678, 206045, 224518, 228389, 248095, 270338, 326270, 332195, 347333, 412090, 419195, 456778, 465073, 496190, 561295, 664390, 675845, 694666, 838390, 930146, 946183, 1122590, 1141945, 1351690, 1736665, 1892366, 2283890, 2325365, 2431331, 3255511, 3473330, 3919901, 4650730, 4730915, 4862662, 6511022, 6623281, 7839802, 9461830, 12156655, 13246562, 16277555, 19599505, 24313310, 27439307, 32555110, 33116405, 39199010, 54878614, 66232810, 137196535, 192075149, 274393070, 384150298, 960375745, 1920751490]

約数ペア:

[(1, 1920751490), (2, 960375745), (5, 384150298), (7, 274393070), (10, 192075149), (14, 137196535), (29, 66232810), (35, 54878614), (49, 39199010), (58, 33116405), (59, 32555110), (70, 27439307), (79, 24313310), (98, 19599505), (118, 16277555), (145, 13246562), (158, 12156655), (203, 9461830), (245, 7839802), (290, 6623281), (295, 6511022), (395, 4862662), (406, 4730915), (413, 4650730), (490, 3919901), (553, 3473330), (590, 3255511), (790, 2431331), (826, 2325365), (841, 2283890), (1015, 1892366), (1106, 1736665), (1421, 1351690), (1682, 1141945), (1711, 1122590), (2030, 946183), (2065, 930146), (2291, 838390), (2765, 694666), (2842, 675845), (2891, 664390), (3422, 561295), (3871, 496190), (4130, 465073), (4205, 456778), (4582, 419195), (4661, 412090), (5530, 347333), (5782, 332195), (5887, 326270), (7105, 270338), (7742, 248095), (8410, 228389), (8555, 224518), (9322, 206045), (11455, 167678), (11774, 163135), (11977, 160370), (14210, 135169), (14455, 132878), (16037, 119770), (17110, 112259), (19355, 99238), (22910, 83839), (23305, 82418), (23954, 80185), (28910, 66439), (29435, 65254), (32074, 59885), (32627, 58870), (38710, 49619), (41209, 46610)]