2079697480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1271

約数の個数: 128

約数和(自身を含む): 5525625600

約数和(自身を除く): 3445928120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 197, 259, 280, 296, 370, 394, 518, 740, 788, 985, 1019, 1036, 1295, 1379, 1480, 1576, 1970, 2038, 2072, 2590, 2758, 3940, 4076, 5095, 5180, 5516, 6895, 7133, 7289, 7880, 8152, 10190, 10360, 11032, 13790, 14266, 14578, 20380, 27580, 28532, 29156, 35665, 36445, 37703, 40760, 51023, 55160, 57064, 58312, 71330, 72890, 75406, 102046, 142660, 145780, 150812, 188515, 200743, 204092, 255115, 263921, 285320, 291560, 301624, 377030, 401486, 408184, 510230, 527842, 754060, 802972, 1003715, 1020460, 1055684, 1319605, 1405201, 1508120, 1605944, 2007430, 2040920, 2111368, 2639210, 2810402, 4014860, 5278420, 5620804, 7026005, 7427491, 8029720, 10556840, 11241608, 14052010, 14854982, 28104020, 29709964, 37137455, 51992437, 56208040, 59419928, 74274910, 103984874, 148549820, 207969748, 259962185, 297099640, 415939496, 519924370, 1039848740, 2079697480]

約数ペア:

[(1, 2079697480), (2, 1039848740), (4, 519924370), (5, 415939496), (7, 297099640), (8, 259962185), (10, 207969748), (14, 148549820), (20, 103984874), (28, 74274910), (35, 59419928), (37, 56208040), (40, 51992437), (56, 37137455), (70, 29709964), (74, 28104020), (140, 14854982), (148, 14052010), (185, 11241608), (197, 10556840), (259, 8029720), (280, 7427491), (296, 7026005), (370, 5620804), (394, 5278420), (518, 4014860), (740, 2810402), (788, 2639210), (985, 2111368), (1019, 2040920), (1036, 2007430), (1295, 1605944), (1379, 1508120), (1480, 1405201), (1576, 1319605), (1970, 1055684), (2038, 1020460), (2072, 1003715), (2590, 802972), (2758, 754060), (3940, 527842), (4076, 510230), (5095, 408184), (5180, 401486), (5516, 377030), (6895, 301624), (7133, 291560), (7289, 285320), (7880, 263921), (8152, 255115), (10190, 204092), (10360, 200743), (11032, 188515), (13790, 150812), (14266, 145780), (14578, 142660), (20380, 102046), (27580, 75406), (28532, 72890), (29156, 71330), (35665, 58312), (36445, 57064), (37703, 55160), (40760, 51023)]