211739220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15277}}^1$

素因数の和:15310

約数の個数: 144

約数和(自身を含む): 800811648

約数和(自身を除く): 589072428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 15277, 30554, 45831, 61108, 76385, 91662, 106939, 137493, 152770, 168047, 183324, 213878, 229155, 274986, 305540, 320817, 336094, 427756, 458310, 504141, 534695, 549972, 641634, 672188, 687465, 840235, 916620, 962451, 1008282, 1069390, 1176329, 1283268, 1374930, 1512423, 1604085, 1680470, 1924902, 2016564, 2138780, 2352658, 2520705, 2749860, 3024846, 3208170, 3360940, 3528987, 3849804, 4705316, 4812255, 5041410, 5881645, 6049692, 6416340, 7057974, 7562115, 9624510, 10082820, 10586961, 11763290, 14115948, 15124230, 17644935, 19249020, 21173922, 23526580, 30248460, 35289870, 42347844, 52934805, 70579740, 105869610, 211739220]

約数ペア:

[(1, 211739220), (2, 105869610), (3, 70579740), (4, 52934805), (5, 42347844), (6, 35289870), (7, 30248460), (9, 23526580), (10, 21173922), (11, 19249020), (12, 17644935), (14, 15124230), (15, 14115948), (18, 11763290), (20, 10586961), (21, 10082820), (22, 9624510), (28, 7562115), (30, 7057974), (33, 6416340), (35, 6049692), (36, 5881645), (42, 5041410), (44, 4812255), (45, 4705316), (55, 3849804), (60, 3528987), (63, 3360940), (66, 3208170), (70, 3024846), (77, 2749860), (84, 2520705), (90, 2352658), (99, 2138780), (105, 2016564), (110, 1924902), (126, 1680470), (132, 1604085), (140, 1512423), (154, 1374930), (165, 1283268), (180, 1176329), (198, 1069390), (210, 1008282), (220, 962451), (231, 916620), (252, 840235), (308, 687465), (315, 672188), (330, 641634), (385, 549972), (396, 534695), (420, 504141), (462, 458310), (495, 427756), (630, 336094), (660, 320817), (693, 305540), (770, 274986), (924, 229155), (990, 213878), (1155, 183324), (1260, 168047), (1386, 152770), (1540, 137493), (1980, 106939), (2310, 91662), (2772, 76385), (3465, 61108), (4620, 45831), (6930, 30554), (13860, 15277)]