217238560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 216

約数和(自身を含む): 659092140

約数和(自身を除く): 441853580

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 160, 176, 196, 220, 224, 229, 242, 245, 280, 308, 352, 385, 392, 440, 458, 484, 490, 539, 560, 605, 616, 770, 784, 847, 880, 916, 968, 980, 1078, 1120, 1145, 1210, 1232, 1540, 1568, 1603, 1694, 1760, 1832, 1936, 1960, 2156, 2290, 2420, 2464, 2519, 2695, 3080, 3206, 3388, 3664, 3872, 3920, 4235, 4312, 4580, 4840, 5038, 5390, 5929, 6160, 6412, 6776, 7328, 7840, 8015, 8470, 8624, 9160, 9680, 10076, 10780, 11221, 11858, 12320, 12595, 12824, 13552, 16030, 16940, 17248, 17633, 18320, 19360, 20152, 21560, 22442, 23716, 25190, 25648, 27104, 27709, 29645, 32060, 33880, 35266, 36640, 40304, 43120, 44884, 47432, 50380, 51296, 55418, 56105, 59290, 64120, 67760, 70532, 80608, 86240, 88165, 89768, 94864, 100760, 110836, 112210, 118580, 123431, 128240, 135520, 138545, 141064, 176330, 179536, 189728, 193963, 201520, 221672, 224420, 237160, 246862, 256480, 277090, 282128, 352660, 359072, 387926, 403040, 443344, 448840, 474320, 493724, 554180, 564256, 617155, 705320, 775852, 886688, 897680, 948640, 969815, 987448, 1108360, 1234310, 1357741, 1410640, 1551704, 1795360, 1939630, 1974896, 2216720, 2468620, 2715482, 2821280, 3103408, 3879260, 3949792, 4433440, 4937240, 5430964, 6206816, 6788705, 7758520, 9874480, 10861928, 13577410, 15517040, 19748960, 21723856, 27154820, 31034080, 43447712, 54309640, 108619280, 217238560]

約数ペア:

[(1, 217238560), (2, 108619280), (4, 54309640), (5, 43447712), (7, 31034080), (8, 27154820), (10, 21723856), (11, 19748960), (14, 15517040), (16, 13577410), (20, 10861928), (22, 9874480), (28, 7758520), (32, 6788705), (35, 6206816), (40, 5430964), (44, 4937240), (49, 4433440), (55, 3949792), (56, 3879260), (70, 3103408), (77, 2821280), (80, 2715482), (88, 2468620), (98, 2216720), (110, 1974896), (112, 1939630), (121, 1795360), (140, 1551704), (154, 1410640), (160, 1357741), (176, 1234310), (196, 1108360), (220, 987448), (224, 969815), (229, 948640), (242, 897680), (245, 886688), (280, 775852), (308, 705320), (352, 617155), (385, 564256), (392, 554180), (440, 493724), (458, 474320), (484, 448840), (490, 443344), (539, 403040), (560, 387926), (605, 359072), (616, 352660), (770, 282128), (784, 277090), (847, 256480), (880, 246862), (916, 237160), (968, 224420), (980, 221672), (1078, 201520), (1120, 193963), (1145, 189728), (1210, 179536), (1232, 176330), (1540, 141064), (1568, 138545), (1603, 135520), (1694, 128240), (1760, 123431), (1832, 118580), (1936, 112210), (1960, 110836), (2156, 100760), (2290, 94864), (2420, 89768), (2464, 88165), (2519, 86240), (2695, 80608), (3080, 70532), (3206, 67760), (3388, 64120), (3664, 59290), (3872, 56105), (3920, 55418), (4235, 51296), (4312, 50380), (4580, 47432), (4840, 44884), (5038, 43120), (5390, 40304), (5929, 36640), (6160, 35266), (6412, 33880), (6776, 32060), (7328, 29645), (7840, 27709), (8015, 27104), (8470, 25648), (8624, 25190), (9160, 23716), (9680, 22442), (10076, 21560), (10780, 20152), (11221, 19360), (11858, 18320), (12320, 17633), (12595, 17248), (12824, 16940), (13552, 16030)]