268856840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 128

約数和(自身を含む): 736646400

約数和(自身を除く): 467789560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 97, 133, 140, 152, 190, 194, 266, 280, 380, 388, 485, 521, 532, 665, 679, 760, 776, 970, 1042, 1064, 1330, 1358, 1843, 1940, 2084, 2605, 2660, 2716, 3395, 3647, 3686, 3880, 4168, 5210, 5320, 5432, 6790, 7294, 7372, 9215, 9899, 10420, 12901, 13580, 14588, 14744, 18235, 18430, 19798, 20840, 25802, 27160, 29176, 36470, 36860, 39596, 49495, 50537, 51604, 64505, 69293, 72940, 73720, 79192, 98990, 101074, 103208, 129010, 138586, 145880, 197980, 202148, 252685, 258020, 277172, 346465, 353759, 395960, 404296, 505370, 516040, 554344, 692930, 707518, 960203, 1010740, 1385860, 1415036, 1768795, 1920406, 2021480, 2771720, 2830072, 3537590, 3840812, 4801015, 6721421, 7075180, 7681624, 9602030, 13442842, 14150360, 19204060, 26885684, 33607105, 38408120, 53771368, 67214210, 134428420, 268856840]

約数ペア:

[(1, 268856840), (2, 134428420), (4, 67214210), (5, 53771368), (7, 38408120), (8, 33607105), (10, 26885684), (14, 19204060), (19, 14150360), (20, 13442842), (28, 9602030), (35, 7681624), (38, 7075180), (40, 6721421), (56, 4801015), (70, 3840812), (76, 3537590), (95, 2830072), (97, 2771720), (133, 2021480), (140, 1920406), (152, 1768795), (190, 1415036), (194, 1385860), (266, 1010740), (280, 960203), (380, 707518), (388, 692930), (485, 554344), (521, 516040), (532, 505370), (665, 404296), (679, 395960), (760, 353759), (776, 346465), (970, 277172), (1042, 258020), (1064, 252685), (1330, 202148), (1358, 197980), (1843, 145880), (1940, 138586), (2084, 129010), (2605, 103208), (2660, 101074), (2716, 98990), (3395, 79192), (3647, 73720), (3686, 72940), (3880, 69293), (4168, 64505), (5210, 51604), (5320, 50537), (5432, 49495), (6790, 39596), (7294, 36860), (7372, 36470), (9215, 29176), (9899, 27160), (10420, 25802), (12901, 20840), (13580, 19798), (14588, 18430), (14744, 18235)]