211648640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 192

約数和(自身を含む): 624772440

約数和(自身を除く): 413123800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 64, 68, 70, 80, 85, 98, 112, 119, 128, 136, 140, 160, 170, 196, 224, 238, 245, 272, 280, 320, 340, 392, 397, 448, 476, 490, 544, 560, 595, 640, 680, 784, 794, 833, 896, 952, 980, 1088, 1120, 1190, 1360, 1568, 1588, 1666, 1904, 1960, 1985, 2176, 2240, 2380, 2720, 2779, 3136, 3176, 3332, 3808, 3920, 3970, 4165, 4480, 4760, 5440, 5558, 6272, 6352, 6664, 6749, 7616, 7840, 7940, 8330, 9520, 10880, 11116, 12704, 13328, 13498, 13895, 15232, 15680, 15880, 16660, 19040, 19453, 22232, 25408, 26656, 26996, 27790, 31360, 31760, 33320, 33745, 38080, 38906, 44464, 47243, 50816, 53312, 53992, 55580, 63520, 66640, 67490, 76160, 77812, 88928, 94486, 97265, 106624, 107984, 111160, 127040, 133280, 134980, 155624, 177856, 188972, 194530, 215968, 222320, 236215, 254080, 266560, 269960, 311248, 330701, 355712, 377944, 389060, 431936, 444640, 472430, 533120, 539920, 622496, 661402, 755888, 778120, 863872, 889280, 944860, 1079840, 1244992, 1322804, 1511776, 1556240, 1653505, 1778560, 1889720, 2159680, 2489984, 2645608, 3023552, 3112480, 3307010, 3779440, 4319360, 5291216, 6047104, 6224960, 6614020, 7558880, 10582432, 12449920, 13228040, 15117760, 21164864, 26456080, 30235520, 42329728, 52912160, 105824320, 211648640]

約数ペア:

[(1, 211648640), (2, 105824320), (4, 52912160), (5, 42329728), (7, 30235520), (8, 26456080), (10, 21164864), (14, 15117760), (16, 13228040), (17, 12449920), (20, 10582432), (28, 7558880), (32, 6614020), (34, 6224960), (35, 6047104), (40, 5291216), (49, 4319360), (56, 3779440), (64, 3307010), (68, 3112480), (70, 3023552), (80, 2645608), (85, 2489984), (98, 2159680), (112, 1889720), (119, 1778560), (128, 1653505), (136, 1556240), (140, 1511776), (160, 1322804), (170, 1244992), (196, 1079840), (224, 944860), (238, 889280), (245, 863872), (272, 778120), (280, 755888), (320, 661402), (340, 622496), (392, 539920), (397, 533120), (448, 472430), (476, 444640), (490, 431936), (544, 389060), (560, 377944), (595, 355712), (640, 330701), (680, 311248), (784, 269960), (794, 266560), (833, 254080), (896, 236215), (952, 222320), (980, 215968), (1088, 194530), (1120, 188972), (1190, 177856), (1360, 155624), (1568, 134980), (1588, 133280), (1666, 127040), (1904, 111160), (1960, 107984), (1985, 106624), (2176, 97265), (2240, 94486), (2380, 88928), (2720, 77812), (2779, 76160), (3136, 67490), (3176, 66640), (3332, 63520), (3808, 55580), (3920, 53992), (3970, 53312), (4165, 50816), (4480, 47243), (4760, 44464), (5440, 38906), (5558, 38080), (6272, 33745), (6352, 33320), (6664, 31760), (6749, 31360), (7616, 27790), (7840, 26996), (7940, 26656), (8330, 25408), (9520, 22232), (10880, 19453), (11116, 19040), (12704, 16660), (13328, 15880), (13498, 15680), (13895, 15232)]