509236420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 1373887872

約数和(自身を除く): 864651452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 97, 98, 110, 140, 154, 194, 196, 220, 245, 308, 385, 388, 485, 487, 490, 539, 679, 770, 970, 974, 980, 1067, 1078, 1358, 1540, 1940, 1948, 2134, 2156, 2435, 2695, 2716, 3395, 3409, 4268, 4753, 4870, 5335, 5357, 5390, 6790, 6818, 7469, 9506, 9740, 10670, 10714, 10780, 13580, 13636, 14938, 17045, 19012, 21340, 21428, 23765, 23863, 26785, 29876, 34090, 37345, 37499, 47239, 47530, 47726, 52283, 53570, 68180, 74690, 74998, 94478, 95060, 95452, 104566, 107140, 119315, 149380, 149996, 187495, 188956, 209132, 236195, 238630, 261415, 262493, 330673, 374990, 472390, 477260, 519629, 522830, 524986, 661346, 749980, 944780, 1039258, 1045660, 1049972, 1312465, 1322692, 1653365, 2078516, 2314711, 2598145, 2624930, 3306730, 3637403, 4629422, 5196290, 5249860, 6613460, 7274806, 9258844, 10392580, 11573555, 14549612, 18187015, 23147110, 25461821, 36374030, 46294220, 50923642, 72748060, 101847284, 127309105, 254618210, 509236420]

約数ペア:

[(1, 509236420), (2, 254618210), (4, 127309105), (5, 101847284), (7, 72748060), (10, 50923642), (11, 46294220), (14, 36374030), (20, 25461821), (22, 23147110), (28, 18187015), (35, 14549612), (44, 11573555), (49, 10392580), (55, 9258844), (70, 7274806), (77, 6613460), (97, 5249860), (98, 5196290), (110, 4629422), (140, 3637403), (154, 3306730), (194, 2624930), (196, 2598145), (220, 2314711), (245, 2078516), (308, 1653365), (385, 1322692), (388, 1312465), (485, 1049972), (487, 1045660), (490, 1039258), (539, 944780), (679, 749980), (770, 661346), (970, 524986), (974, 522830), (980, 519629), (1067, 477260), (1078, 472390), (1358, 374990), (1540, 330673), (1940, 262493), (1948, 261415), (2134, 238630), (2156, 236195), (2435, 209132), (2695, 188956), (2716, 187495), (3395, 149996), (3409, 149380), (4268, 119315), (4753, 107140), (4870, 104566), (5335, 95452), (5357, 95060), (5390, 94478), (6790, 74998), (6818, 74690), (7469, 68180), (9506, 53570), (9740, 52283), (10670, 47726), (10714, 47530), (10780, 47239), (13580, 37499), (13636, 37345), (14938, 34090), (17045, 29876), (19012, 26785), (21340, 23863), (21428, 23765)]