209988420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 667699200

約数和(自身を除く): 457710780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 31, 34, 51, 58, 60, 62, 68, 85, 87, 93, 102, 116, 124, 145, 155, 170, 174, 186, 204, 229, 255, 290, 310, 340, 348, 372, 435, 458, 465, 493, 510, 527, 580, 620, 687, 870, 899, 916, 930, 986, 1020, 1054, 1145, 1374, 1479, 1581, 1740, 1798, 1860, 1972, 2108, 2290, 2465, 2635, 2697, 2748, 2958, 3162, 3435, 3596, 3893, 4495, 4580, 4930, 5270, 5394, 5916, 6324, 6641, 6870, 7099, 7395, 7786, 7905, 8990, 9860, 10540, 10788, 11679, 13282, 13485, 13740, 14198, 14790, 15283, 15572, 15810, 17980, 19465, 19923, 21297, 23358, 26564, 26970, 28396, 29580, 30566, 31620, 33205, 35495, 38930, 39846, 42594, 45849, 46716, 53940, 58395, 61132, 66410, 70990, 76415, 77860, 79692, 85188, 91698, 99615, 106485, 112897, 116790, 120683, 132820, 141980, 152830, 183396, 199230, 205871, 212970, 225794, 229245, 233580, 241366, 305660, 338691, 362049, 398460, 411742, 425940, 451588, 458490, 482732, 564485, 603415, 617613, 677382, 724098, 823484, 916980, 1029355, 1128970, 1206830, 1235226, 1354764, 1448196, 1693455, 1810245, 2058710, 2257940, 2413660, 2470452, 3088065, 3386910, 3499807, 3620490, 4117420, 6176130, 6773820, 6999614, 7240980, 10499421, 12352260, 13999228, 17499035, 20998842, 34998070, 41997684, 52497105, 69996140, 104994210, 209988420]

約数ペア:

[(1, 209988420), (2, 104994210), (3, 69996140), (4, 52497105), (5, 41997684), (6, 34998070), (10, 20998842), (12, 17499035), (15, 13999228), (17, 12352260), (20, 10499421), (29, 7240980), (30, 6999614), (31, 6773820), (34, 6176130), (51, 4117420), (58, 3620490), (60, 3499807), (62, 3386910), (68, 3088065), (85, 2470452), (87, 2413660), (93, 2257940), (102, 2058710), (116, 1810245), (124, 1693455), (145, 1448196), (155, 1354764), (170, 1235226), (174, 1206830), (186, 1128970), (204, 1029355), (229, 916980), (255, 823484), (290, 724098), (310, 677382), (340, 617613), (348, 603415), (372, 564485), (435, 482732), (458, 458490), (465, 451588), (493, 425940), (510, 411742), (527, 398460), (580, 362049), (620, 338691), (687, 305660), (870, 241366), (899, 233580), (916, 229245), (930, 225794), (986, 212970), (1020, 205871), (1054, 199230), (1145, 183396), (1374, 152830), (1479, 141980), (1581, 132820), (1740, 120683), (1798, 116790), (1860, 112897), (1972, 106485), (2108, 99615), (2290, 91698), (2465, 85188), (2635, 79692), (2697, 77860), (2748, 76415), (2958, 70990), (3162, 66410), (3435, 61132), (3596, 58395), (3893, 53940), (4495, 46716), (4580, 45849), (4930, 42594), (5270, 39846), (5394, 38930), (5916, 35495), (6324, 33205), (6641, 31620), (6870, 30566), (7099, 29580), (7395, 28396), (7786, 26970), (7905, 26564), (8990, 23358), (9860, 21297), (10540, 19923), (10788, 19465), (11679, 17980), (13282, 15810), (13485, 15572), (13740, 15283), (14198, 14790)]