388381560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2347}}^1$

素因数の和:2565

約数の個数: 128

約数和(自身を含む): 1338923520

約数和(自身を除く): 950541960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2347, 2364, 2758, 2955, 3940, 4137, 4694, 4728, 5516, 5910, 6895, 7041, 7880, 8274, 9388, 11032, 11735, 11820, 13790, 14082, 16429, 16548, 18776, 20685, 23470, 23640, 27580, 28164, 32858, 33096, 35205, 41370, 46940, 49287, 55160, 56328, 65716, 70410, 82145, 82740, 93880, 98574, 131432, 140820, 164290, 165480, 197148, 246435, 281640, 328580, 394296, 462359, 492870, 657160, 924718, 985740, 1387077, 1849436, 1971480, 2311795, 2774154, 3236513, 3698872, 4623590, 5548308, 6473026, 6935385, 9247180, 9709539, 11096616, 12946052, 13870770, 16182565, 18494360, 19419078, 25892104, 27741540, 32365130, 38838156, 48547695, 55483080, 64730260, 77676312, 97095390, 129460520, 194190780, 388381560]

約数ペア:

[(1, 388381560), (2, 194190780), (3, 129460520), (4, 97095390), (5, 77676312), (6, 64730260), (7, 55483080), (8, 48547695), (10, 38838156), (12, 32365130), (14, 27741540), (15, 25892104), (20, 19419078), (21, 18494360), (24, 16182565), (28, 13870770), (30, 12946052), (35, 11096616), (40, 9709539), (42, 9247180), (56, 6935385), (60, 6473026), (70, 5548308), (84, 4623590), (105, 3698872), (120, 3236513), (140, 2774154), (168, 2311795), (197, 1971480), (210, 1849436), (280, 1387077), (394, 985740), (420, 924718), (591, 657160), (788, 492870), (840, 462359), (985, 394296), (1182, 328580), (1379, 281640), (1576, 246435), (1970, 197148), (2347, 165480), (2364, 164290), (2758, 140820), (2955, 131432), (3940, 98574), (4137, 93880), (4694, 82740), (4728, 82145), (5516, 70410), (5910, 65716), (6895, 56328), (7041, 55160), (7880, 49287), (8274, 46940), (9388, 41370), (11032, 35205), (11735, 33096), (11820, 32858), (13790, 28164), (14082, 27580), (16429, 23640), (16548, 23470), (18776, 20685)]