787286920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:264

約数の個数: 192

約数和(自身を含む): 2153738160

約数和(自身を除く): 1366451240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 49, 56, 70, 82, 97, 98, 101, 140, 164, 194, 196, 202, 205, 245, 280, 287, 328, 388, 392, 404, 410, 485, 490, 505, 574, 679, 707, 776, 808, 820, 970, 980, 1010, 1148, 1358, 1414, 1435, 1640, 1940, 1960, 2009, 2020, 2296, 2716, 2828, 2870, 3395, 3535, 3880, 3977, 4018, 4040, 4141, 4753, 4949, 5432, 5656, 5740, 6790, 7070, 7954, 8036, 8282, 9506, 9797, 9898, 10045, 11480, 13580, 14140, 15908, 16072, 16564, 19012, 19594, 19796, 19885, 20090, 20705, 23765, 24745, 27160, 27839, 28280, 28987, 31816, 33128, 38024, 39188, 39592, 39770, 40180, 41410, 47530, 48985, 49490, 55678, 57974, 68579, 78376, 79540, 80360, 82820, 95060, 97970, 98980, 111356, 115948, 137158, 139195, 144935, 159080, 165640, 190120, 194873, 195940, 197960, 202909, 222712, 231896, 274316, 278390, 289870, 342895, 389746, 391880, 401677, 405818, 480053, 548632, 556780, 579740, 685790, 779492, 803354, 811636, 960106, 974365, 1014545, 1113560, 1159480, 1371580, 1558984, 1606708, 1623272, 1920212, 1948730, 2008385, 2029090, 2400265, 2743160, 2811739, 3213416, 3840424, 3897460, 4016770, 4058180, 4800530, 5623478, 7794920, 8033540, 8116360, 9601060, 11246956, 14058695, 16067080, 19202120, 19682173, 22493912, 28117390, 39364346, 56234780, 78728692, 98410865, 112469560, 157457384, 196821730, 393643460, 787286920]

約数ペア:

[(1, 787286920), (2, 393643460), (4, 196821730), (5, 157457384), (7, 112469560), (8, 98410865), (10, 78728692), (14, 56234780), (20, 39364346), (28, 28117390), (35, 22493912), (40, 19682173), (41, 19202120), (49, 16067080), (56, 14058695), (70, 11246956), (82, 9601060), (97, 8116360), (98, 8033540), (101, 7794920), (140, 5623478), (164, 4800530), (194, 4058180), (196, 4016770), (202, 3897460), (205, 3840424), (245, 3213416), (280, 2811739), (287, 2743160), (328, 2400265), (388, 2029090), (392, 2008385), (404, 1948730), (410, 1920212), (485, 1623272), (490, 1606708), (505, 1558984), (574, 1371580), (679, 1159480), (707, 1113560), (776, 1014545), (808, 974365), (820, 960106), (970, 811636), (980, 803354), (1010, 779492), (1148, 685790), (1358, 579740), (1414, 556780), (1435, 548632), (1640, 480053), (1940, 405818), (1960, 401677), (2009, 391880), (2020, 389746), (2296, 342895), (2716, 289870), (2828, 278390), (2870, 274316), (3395, 231896), (3535, 222712), (3880, 202909), (3977, 197960), (4018, 195940), (4040, 194873), (4141, 190120), (4753, 165640), (4949, 159080), (5432, 144935), (5656, 139195), (5740, 137158), (6790, 115948), (7070, 111356), (7954, 98980), (8036, 97970), (8282, 95060), (9506, 82820), (9797, 80360), (9898, 79540), (10045, 78376), (11480, 68579), (13580, 57974), (14140, 55678), (15908, 49490), (16072, 48985), (16564, 47530), (19012, 41410), (19594, 40180), (19796, 39770), (19885, 39592), (20090, 39188), (20705, 38024), (23765, 33128), (24745, 31816), (27160, 28987), (27839, 28280)]