211731660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{853}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 738593856

約数和(自身を除く): 526862196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 315, 394, 420, 591, 630, 788, 853, 985, 1182, 1260, 1379, 1706, 1773, 1970, 2364, 2559, 2758, 2955, 3412, 3546, 3940, 4137, 4265, 5118, 5516, 5910, 5971, 6895, 7092, 7677, 8274, 8530, 8865, 10236, 11820, 11942, 12411, 12795, 13790, 15354, 16548, 17060, 17730, 17913, 20685, 23884, 24822, 25590, 27580, 29855, 30708, 35460, 35826, 38385, 41370, 49644, 51180, 53739, 59710, 62055, 71652, 76770, 82740, 89565, 107478, 119420, 124110, 153540, 168041, 179130, 214956, 248220, 268695, 336082, 358260, 504123, 537390, 672164, 840205, 1008246, 1074780, 1176287, 1512369, 1680410, 2016492, 2352574, 2520615, 3024738, 3360820, 3528861, 4705148, 5041230, 5881435, 6049476, 7057722, 7561845, 10082460, 10586583, 11762870, 14115444, 15123690, 17644305, 21173166, 23525740, 30247380, 35288610, 42346332, 52932915, 70577220, 105865830, 211731660]

約数ペア:

[(1, 211731660), (2, 105865830), (3, 70577220), (4, 52932915), (5, 42346332), (6, 35288610), (7, 30247380), (9, 23525740), (10, 21173166), (12, 17644305), (14, 15123690), (15, 14115444), (18, 11762870), (20, 10586583), (21, 10082460), (28, 7561845), (30, 7057722), (35, 6049476), (36, 5881435), (42, 5041230), (45, 4705148), (60, 3528861), (63, 3360820), (70, 3024738), (84, 2520615), (90, 2352574), (105, 2016492), (126, 1680410), (140, 1512369), (180, 1176287), (197, 1074780), (210, 1008246), (252, 840205), (315, 672164), (394, 537390), (420, 504123), (591, 358260), (630, 336082), (788, 268695), (853, 248220), (985, 214956), (1182, 179130), (1260, 168041), (1379, 153540), (1706, 124110), (1773, 119420), (1970, 107478), (2364, 89565), (2559, 82740), (2758, 76770), (2955, 71652), (3412, 62055), (3546, 59710), (3940, 53739), (4137, 51180), (4265, 49644), (5118, 41370), (5516, 38385), (5910, 35826), (5971, 35460), (6895, 30708), (7092, 29855), (7677, 27580), (8274, 25590), (8530, 24822), (8865, 23884), (10236, 20685), (11820, 17913), (11942, 17730), (12411, 17060), (12795, 16548), (13790, 15354)]