217850360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 610485120

約数和(自身を除く): 392634760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 97, 104, 130, 140, 182, 194, 260, 280, 364, 388, 455, 485, 520, 617, 679, 728, 776, 910, 970, 1234, 1261, 1358, 1820, 1940, 2468, 2522, 2716, 3085, 3395, 3640, 3880, 4319, 4936, 5044, 5432, 6170, 6305, 6790, 8021, 8638, 8827, 10088, 12340, 12610, 13580, 16042, 17276, 17654, 21595, 24680, 25220, 27160, 32084, 34552, 35308, 40105, 43190, 44135, 50440, 56147, 59849, 64168, 70616, 80210, 86380, 88270, 112294, 119698, 160420, 172760, 176540, 224588, 239396, 280735, 299245, 320840, 353080, 418943, 449176, 478792, 561470, 598490, 778037, 837886, 1122940, 1196980, 1556074, 1675772, 2094715, 2245880, 2393960, 3112148, 3351544, 3890185, 4189430, 5446259, 6224296, 7780370, 8378860, 10892518, 15560740, 16757720, 21785036, 27231295, 31121480, 43570072, 54462590, 108925180, 217850360]

約数ペア:

[(1, 217850360), (2, 108925180), (4, 54462590), (5, 43570072), (7, 31121480), (8, 27231295), (10, 21785036), (13, 16757720), (14, 15560740), (20, 10892518), (26, 8378860), (28, 7780370), (35, 6224296), (40, 5446259), (52, 4189430), (56, 3890185), (65, 3351544), (70, 3112148), (91, 2393960), (97, 2245880), (104, 2094715), (130, 1675772), (140, 1556074), (182, 1196980), (194, 1122940), (260, 837886), (280, 778037), (364, 598490), (388, 561470), (455, 478792), (485, 449176), (520, 418943), (617, 353080), (679, 320840), (728, 299245), (776, 280735), (910, 239396), (970, 224588), (1234, 176540), (1261, 172760), (1358, 160420), (1820, 119698), (1940, 112294), (2468, 88270), (2522, 86380), (2716, 80210), (3085, 70616), (3395, 64168), (3640, 59849), (3880, 56147), (4319, 50440), (4936, 44135), (5044, 43190), (5432, 40105), (6170, 35308), (6305, 34552), (6790, 32084), (8021, 27160), (8638, 25220), (8827, 24680), (10088, 21595), (12340, 17654), (12610, 17276), (13580, 16042)]