208371520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 168

約数和(自身を含む): 587401416

約数和(自身を除く): 379029896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 97, 98, 112, 137, 140, 160, 194, 196, 224, 245, 274, 280, 320, 388, 392, 448, 485, 490, 548, 560, 679, 685, 776, 784, 959, 970, 980, 1096, 1120, 1358, 1370, 1552, 1568, 1918, 1940, 1960, 2192, 2240, 2716, 2740, 3104, 3136, 3395, 3836, 3880, 3920, 4384, 4753, 4795, 5432, 5480, 6208, 6713, 6790, 7672, 7760, 7840, 8768, 9506, 9590, 10864, 10960, 13289, 13426, 13580, 15344, 15520, 15680, 19012, 19180, 21728, 21920, 23765, 26578, 26852, 27160, 30688, 31040, 33565, 38024, 38360, 43456, 43840, 47530, 53156, 53704, 54320, 61376, 66445, 67130, 76048, 76720, 93023, 95060, 106312, 107408, 108640, 132890, 134260, 152096, 153440, 186046, 190120, 212624, 214816, 217280, 265780, 268520, 304192, 306880, 372092, 380240, 425248, 429632, 465115, 531560, 537040, 651161, 744184, 760480, 850496, 930230, 1063120, 1074080, 1302322, 1488368, 1520960, 1860460, 2126240, 2148160, 2604644, 2976736, 3255805, 3720920, 4252480, 5209288, 5953472, 6511610, 7441840, 10418576, 13023220, 14883680, 20837152, 26046440, 29767360, 41674304, 52092880, 104185760, 208371520]

約数ペア:

[(1, 208371520), (2, 104185760), (4, 52092880), (5, 41674304), (7, 29767360), (8, 26046440), (10, 20837152), (14, 14883680), (16, 13023220), (20, 10418576), (28, 7441840), (32, 6511610), (35, 5953472), (40, 5209288), (49, 4252480), (56, 3720920), (64, 3255805), (70, 2976736), (80, 2604644), (97, 2148160), (98, 2126240), (112, 1860460), (137, 1520960), (140, 1488368), (160, 1302322), (194, 1074080), (196, 1063120), (224, 930230), (245, 850496), (274, 760480), (280, 744184), (320, 651161), (388, 537040), (392, 531560), (448, 465115), (485, 429632), (490, 425248), (548, 380240), (560, 372092), (679, 306880), (685, 304192), (776, 268520), (784, 265780), (959, 217280), (970, 214816), (980, 212624), (1096, 190120), (1120, 186046), (1358, 153440), (1370, 152096), (1552, 134260), (1568, 132890), (1918, 108640), (1940, 107408), (1960, 106312), (2192, 95060), (2240, 93023), (2716, 76720), (2740, 76048), (3104, 67130), (3136, 66445), (3395, 61376), (3836, 54320), (3880, 53704), (3920, 53156), (4384, 47530), (4753, 43840), (4795, 43456), (5432, 38360), (5480, 38024), (6208, 33565), (6713, 31040), (6790, 30688), (7672, 27160), (7760, 26852), (7840, 26578), (8768, 23765), (9506, 21920), (9590, 21728), (10864, 19180), (10960, 19012), (13289, 15680), (13426, 15520), (13580, 15344)]