207905920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 534386160

約数和(自身を除く): 326480240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 97, 128, 136, 160, 170, 194, 197, 272, 320, 340, 388, 394, 485, 544, 640, 680, 776, 788, 970, 985, 1088, 1360, 1552, 1576, 1649, 1940, 1970, 2176, 2720, 3104, 3152, 3298, 3349, 3880, 3940, 5440, 6208, 6304, 6596, 6698, 7760, 7880, 8245, 10880, 12416, 12608, 13192, 13396, 15520, 15760, 16490, 16745, 19109, 25216, 26384, 26792, 31040, 31520, 32980, 33490, 38218, 52768, 53584, 62080, 63040, 65960, 66980, 76436, 95545, 105536, 107168, 126080, 131920, 133960, 152872, 191090, 211072, 214336, 263840, 267920, 305744, 324853, 382180, 428672, 527680, 535840, 611488, 649706, 764360, 1055360, 1071680, 1222976, 1299412, 1528720, 1624265, 2143360, 2445952, 2598824, 3057440, 3248530, 5197648, 6114880, 6497060, 10395296, 12229760, 12994120, 20790592, 25988240, 41581184, 51976480, 103952960, 207905920]

約数ペア:

[(1, 207905920), (2, 103952960), (4, 51976480), (5, 41581184), (8, 25988240), (10, 20790592), (16, 12994120), (17, 12229760), (20, 10395296), (32, 6497060), (34, 6114880), (40, 5197648), (64, 3248530), (68, 3057440), (80, 2598824), (85, 2445952), (97, 2143360), (128, 1624265), (136, 1528720), (160, 1299412), (170, 1222976), (194, 1071680), (197, 1055360), (272, 764360), (320, 649706), (340, 611488), (388, 535840), (394, 527680), (485, 428672), (544, 382180), (640, 324853), (680, 305744), (776, 267920), (788, 263840), (970, 214336), (985, 211072), (1088, 191090), (1360, 152872), (1552, 133960), (1576, 131920), (1649, 126080), (1940, 107168), (1970, 105536), (2176, 95545), (2720, 76436), (3104, 66980), (3152, 65960), (3298, 63040), (3349, 62080), (3880, 53584), (3940, 52768), (5440, 38218), (6208, 33490), (6304, 32980), (6596, 31520), (6698, 31040), (7760, 26792), (7880, 26384), (8245, 25216), (10880, 19109), (12416, 16745), (12608, 16490), (13192, 15760), (13396, 15520)]