490321260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 288

約数和(自身を含む): 1791998208

約数和(自身を除く): 1301676948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 43, 44, 45, 52, 55, 60, 65, 66, 78, 86, 90, 99, 110, 117, 129, 130, 132, 143, 156, 165, 172, 180, 195, 198, 215, 220, 234, 258, 260, 286, 330, 387, 390, 396, 429, 430, 443, 468, 473, 495, 516, 559, 572, 585, 645, 660, 715, 774, 780, 858, 860, 886, 946, 990, 1118, 1170, 1287, 1290, 1329, 1419, 1430, 1548, 1677, 1716, 1772, 1892, 1935, 1980, 2145, 2215, 2236, 2340, 2365, 2574, 2580, 2658, 2795, 2838, 2860, 3354, 3870, 3987, 4257, 4290, 4430, 4730, 4873, 5031, 5148, 5316, 5590, 5676, 5759, 6149, 6435, 6645, 6708, 7095, 7740, 7974, 8385, 8514, 8580, 8860, 9460, 9746, 10062, 11180, 11518, 12298, 12870, 13290, 14190, 14619, 15948, 16770, 17028, 17277, 18447, 19049, 19492, 19935, 20124, 21285, 23036, 24365, 24596, 25155, 25740, 26580, 28380, 28795, 29238, 30745, 33540, 34554, 36894, 38098, 39870, 42570, 43857, 48730, 50310, 51831, 55341, 57147, 57590, 58476, 61490, 63349, 69108, 73095, 73788, 76196, 79740, 85140, 86385, 87714, 92235, 95245, 97460, 100620, 103662, 110682, 114294, 115180, 122980, 126698, 146190, 171441, 172770, 175428, 184470, 190047, 190490, 207324, 209539, 219285, 221364, 228588, 247637, 253396, 259155, 276705, 285735, 292380, 316745, 342882, 345540, 368940, 380094, 380980, 419078, 438570, 495274, 518310, 553410, 570141, 571470, 628617, 633490, 685764, 742911, 760188, 838156, 857205, 877140, 950235, 990548, 1036620, 1047695, 1106820, 1140282, 1142940, 1238185, 1257234, 1266980, 1485822, 1714410, 1885851, 1900470, 2095390, 2228733, 2280564, 2476370, 2514468, 2724007, 2850705, 2971644, 3143085, 3428820, 3714555, 3771702, 3800940, 4190780, 4457466, 4952740, 5448014, 5701410, 6286170, 7429110, 7543404, 8172021, 8914932, 9429255, 10896028, 11143665, 11402820, 12572340, 13620035, 14858220, 16344042, 18858510, 22287330, 24516063, 27240070, 32688084, 37717020, 40860105, 44574660, 49032126, 54480140, 81720210, 98064252, 122580315, 163440420, 245160630, 490321260]

約数ペア:

[(1, 490321260), (2, 245160630), (3, 163440420), (4, 122580315), (5, 98064252), (6, 81720210), (9, 54480140), (10, 49032126), (11, 44574660), (12, 40860105), (13, 37717020), (15, 32688084), (18, 27240070), (20, 24516063), (22, 22287330), (26, 18858510), (30, 16344042), (33, 14858220), (36, 13620035), (39, 12572340), (43, 11402820), (44, 11143665), (45, 10896028), (52, 9429255), (55, 8914932), (60, 8172021), (65, 7543404), (66, 7429110), (78, 6286170), (86, 5701410), (90, 5448014), (99, 4952740), (110, 4457466), (117, 4190780), (129, 3800940), (130, 3771702), (132, 3714555), (143, 3428820), (156, 3143085), (165, 2971644), (172, 2850705), (180, 2724007), (195, 2514468), (198, 2476370), (215, 2280564), (220, 2228733), (234, 2095390), (258, 1900470), (260, 1885851), (286, 1714410), (330, 1485822), (387, 1266980), (390, 1257234), (396, 1238185), (429, 1142940), (430, 1140282), (443, 1106820), (468, 1047695), (473, 1036620), (495, 990548), (516, 950235), (559, 877140), (572, 857205), (585, 838156), (645, 760188), (660, 742911), (715, 685764), (774, 633490), (780, 628617), (858, 571470), (860, 570141), (886, 553410), (946, 518310), (990, 495274), (1118, 438570), (1170, 419078), (1287, 380980), (1290, 380094), (1329, 368940), (1419, 345540), (1430, 342882), (1548, 316745), (1677, 292380), (1716, 285735), (1772, 276705), (1892, 259155), (1935, 253396), (1980, 247637), (2145, 228588), (2215, 221364), (2236, 219285), (2340, 209539), (2365, 207324), (2574, 190490), (2580, 190047), (2658, 184470), (2795, 175428), (2838, 172770), (2860, 171441), (3354, 146190), (3870, 126698), (3987, 122980), (4257, 115180), (4290, 114294), (4430, 110682), (4730, 103662), (4873, 100620), (5031, 97460), (5148, 95245), (5316, 92235), (5590, 87714), (5676, 86385), (5759, 85140), (6149, 79740), (6435, 76196), (6645, 73788), (6708, 73095), (7095, 69108), (7740, 63349), (7974, 61490), (8385, 58476), (8514, 57590), (8580, 57147), (8860, 55341), (9460, 51831), (9746, 50310), (10062, 48730), (11180, 43857), (11518, 42570), (12298, 39870), (12870, 38098), (13290, 36894), (14190, 34554), (14619, 33540), (15948, 30745), (16770, 29238), (17028, 28795), (17277, 28380), (18447, 26580), (19049, 25740), (19492, 25155), (19935, 24596), (20124, 24365), (21285, 23036)]