211184520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18143}}^1$

素因数の和:18254

約数の個数: 64

約数和(自身を含む): 640120320

約数和(自身を除く): 428935800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 18143, 36286, 54429, 72572, 90715, 108858, 145144, 181430, 217716, 272145, 362860, 435432, 544290, 725720, 1088580, 1759871, 2177160, 3519742, 5279613, 7039484, 8799355, 10559226, 14078968, 17598710, 21118452, 26398065, 35197420, 42236904, 52796130, 70394840, 105592260, 211184520]

約数ペア:

[(1, 211184520), (2, 105592260), (3, 70394840), (4, 52796130), (5, 42236904), (6, 35197420), (8, 26398065), (10, 21118452), (12, 17598710), (15, 14078968), (20, 10559226), (24, 8799355), (30, 7039484), (40, 5279613), (60, 3519742), (97, 2177160), (120, 1759871), (194, 1088580), (291, 725720), (388, 544290), (485, 435432), (582, 362860), (776, 272145), (970, 217716), (1164, 181430), (1455, 145144), (1940, 108858), (2328, 90715), (2910, 72572), (3880, 54429), (5820, 36286), (11640, 18143)]