205229920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 192

約数和(自身を含む): 599187456

約数和(自身を除く): 393957536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 160, 161, 184, 217, 224, 230, 248, 257, 280, 310, 322, 368, 434, 460, 496, 514, 560, 620, 644, 713, 736, 805, 868, 920, 992, 1028, 1085, 1120, 1240, 1285, 1288, 1426, 1610, 1736, 1799, 1840, 2056, 2170, 2480, 2570, 2576, 2852, 3220, 3472, 3565, 3598, 3680, 4112, 4340, 4960, 4991, 5140, 5152, 5704, 5911, 6440, 6944, 7130, 7196, 7967, 8224, 8680, 8995, 9982, 10280, 11408, 11822, 12880, 14260, 14392, 15934, 17360, 17990, 19964, 20560, 22816, 23644, 24955, 25760, 28520, 28784, 29555, 31868, 34720, 35980, 39835, 39928, 41120, 41377, 47288, 49910, 55769, 57040, 57568, 59110, 63736, 71960, 79670, 79856, 82754, 94576, 99820, 111538, 114080, 118220, 127472, 143920, 159340, 159712, 165508, 183241, 189152, 199640, 206885, 223076, 236440, 254944, 278845, 287840, 318680, 331016, 366482, 399280, 413770, 446152, 472880, 557690, 637360, 662032, 732964, 798560, 827540, 892304, 916205, 945760, 1115380, 1274720, 1282687, 1324064, 1465928, 1655080, 1784608, 1832410, 2230760, 2565374, 2931856, 3310160, 3664820, 4461520, 5130748, 5863712, 6413435, 6620320, 7329640, 8923040, 10261496, 12826870, 14659280, 20522992, 25653740, 29318560, 41045984, 51307480, 102614960, 205229920]

約数ペア:

[(1, 205229920), (2, 102614960), (4, 51307480), (5, 41045984), (7, 29318560), (8, 25653740), (10, 20522992), (14, 14659280), (16, 12826870), (20, 10261496), (23, 8923040), (28, 7329640), (31, 6620320), (32, 6413435), (35, 5863712), (40, 5130748), (46, 4461520), (56, 3664820), (62, 3310160), (70, 2931856), (80, 2565374), (92, 2230760), (112, 1832410), (115, 1784608), (124, 1655080), (140, 1465928), (155, 1324064), (160, 1282687), (161, 1274720), (184, 1115380), (217, 945760), (224, 916205), (230, 892304), (248, 827540), (257, 798560), (280, 732964), (310, 662032), (322, 637360), (368, 557690), (434, 472880), (460, 446152), (496, 413770), (514, 399280), (560, 366482), (620, 331016), (644, 318680), (713, 287840), (736, 278845), (805, 254944), (868, 236440), (920, 223076), (992, 206885), (1028, 199640), (1085, 189152), (1120, 183241), (1240, 165508), (1285, 159712), (1288, 159340), (1426, 143920), (1610, 127472), (1736, 118220), (1799, 114080), (1840, 111538), (2056, 99820), (2170, 94576), (2480, 82754), (2570, 79856), (2576, 79670), (2852, 71960), (3220, 63736), (3472, 59110), (3565, 57568), (3598, 57040), (3680, 55769), (4112, 49910), (4340, 47288), (4960, 41377), (4991, 41120), (5140, 39928), (5152, 39835), (5704, 35980), (5911, 34720), (6440, 31868), (6944, 29555), (7130, 28784), (7196, 28520), (7967, 25760), (8224, 24955), (8680, 23644), (8995, 22816), (9982, 20560), (10280, 19964), (11408, 17990), (11822, 17360), (12880, 15934), (14260, 14392)]