206490690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 645765120

約数和(自身を除く): 439274430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 97, 105, 109, 126, 155, 186, 194, 210, 217, 218, 279, 291, 310, 315, 327, 434, 465, 485, 545, 558, 582, 630, 651, 654, 679, 763, 873, 930, 970, 981, 1085, 1090, 1302, 1358, 1395, 1455, 1526, 1635, 1746, 1953, 1962, 2037, 2170, 2289, 2790, 2910, 3007, 3255, 3270, 3379, 3395, 3815, 3906, 4074, 4365, 4578, 4905, 6014, 6111, 6510, 6758, 6790, 6867, 7630, 8730, 9021, 9765, 9810, 10137, 10185, 10573, 11445, 12222, 13734, 15035, 16895, 18042, 19530, 20274, 20370, 21049, 21146, 22890, 23653, 27063, 30070, 30411, 30555, 31719, 33790, 34335, 42098, 45105, 47306, 50685, 52865, 54126, 60822, 61110, 63147, 63438, 68670, 70959, 74011, 90210, 95157, 101370, 105245, 105730, 118265, 126294, 135315, 141918, 148022, 152055, 158595, 189441, 190314, 210490, 212877, 222033, 236530, 270630, 304110, 315735, 317190, 327763, 354795, 370055, 378882, 425754, 444066, 475785, 631470, 655526, 666099, 709590, 740110, 947205, 951570, 983289, 1064385, 1110165, 1332198, 1638815, 1894410, 1966578, 2128770, 2220330, 2294341, 2949867, 3277630, 3330495, 4588682, 4916445, 5899734, 6660990, 6883023, 9832890, 11471705, 13766046, 14749335, 20649069, 22943410, 29498670, 34415115, 41298138, 68830230, 103245345, 206490690]

約数ペア:

[(1, 206490690), (2, 103245345), (3, 68830230), (5, 41298138), (6, 34415115), (7, 29498670), (9, 22943410), (10, 20649069), (14, 14749335), (15, 13766046), (18, 11471705), (21, 9832890), (30, 6883023), (31, 6660990), (35, 5899734), (42, 4916445), (45, 4588682), (62, 3330495), (63, 3277630), (70, 2949867), (90, 2294341), (93, 2220330), (97, 2128770), (105, 1966578), (109, 1894410), (126, 1638815), (155, 1332198), (186, 1110165), (194, 1064385), (210, 983289), (217, 951570), (218, 947205), (279, 740110), (291, 709590), (310, 666099), (315, 655526), (327, 631470), (434, 475785), (465, 444066), (485, 425754), (545, 378882), (558, 370055), (582, 354795), (630, 327763), (651, 317190), (654, 315735), (679, 304110), (763, 270630), (873, 236530), (930, 222033), (970, 212877), (981, 210490), (1085, 190314), (1090, 189441), (1302, 158595), (1358, 152055), (1395, 148022), (1455, 141918), (1526, 135315), (1635, 126294), (1746, 118265), (1953, 105730), (1962, 105245), (2037, 101370), (2170, 95157), (2289, 90210), (2790, 74011), (2910, 70959), (3007, 68670), (3255, 63438), (3270, 63147), (3379, 61110), (3395, 60822), (3815, 54126), (3906, 52865), (4074, 50685), (4365, 47306), (4578, 45105), (4905, 42098), (6014, 34335), (6111, 33790), (6510, 31719), (6758, 30555), (6790, 30411), (6867, 30070), (7630, 27063), (8730, 23653), (9021, 22890), (9765, 21146), (9810, 21049), (10137, 20370), (10185, 20274), (10573, 19530), (11445, 18042), (12222, 16895), (13734, 15035)]