68823440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 189097272

約数和(自身を除く): 120273832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 181, 194, 196, 245, 280, 362, 388, 392, 485, 490, 560, 679, 724, 776, 784, 905, 970, 980, 1267, 1358, 1448, 1552, 1810, 1940, 1960, 2534, 2716, 2896, 3395, 3620, 3880, 3920, 4753, 5068, 5432, 6335, 6790, 7240, 7760, 8869, 9506, 10136, 10864, 12670, 13580, 14480, 17557, 17738, 19012, 20272, 23765, 25340, 27160, 35114, 35476, 38024, 44345, 47530, 50680, 54320, 70228, 70952, 76048, 87785, 88690, 95060, 101360, 122899, 140456, 141904, 175570, 177380, 190120, 245798, 280912, 351140, 354760, 380240, 491596, 614495, 702280, 709520, 860293, 983192, 1228990, 1404560, 1720586, 1966384, 2457980, 3441172, 4301465, 4915960, 6882344, 8602930, 9831920, 13764688, 17205860, 34411720, 68823440]

約数ペア:

[(1, 68823440), (2, 34411720), (4, 17205860), (5, 13764688), (7, 9831920), (8, 8602930), (10, 6882344), (14, 4915960), (16, 4301465), (20, 3441172), (28, 2457980), (35, 1966384), (40, 1720586), (49, 1404560), (56, 1228990), (70, 983192), (80, 860293), (97, 709520), (98, 702280), (112, 614495), (140, 491596), (181, 380240), (194, 354760), (196, 351140), (245, 280912), (280, 245798), (362, 190120), (388, 177380), (392, 175570), (485, 141904), (490, 140456), (560, 122899), (679, 101360), (724, 95060), (776, 88690), (784, 87785), (905, 76048), (970, 70952), (980, 70228), (1267, 54320), (1358, 50680), (1448, 47530), (1552, 44345), (1810, 38024), (1940, 35476), (1960, 35114), (2534, 27160), (2716, 25340), (2896, 23765), (3395, 20272), (3620, 19012), (3880, 17738), (3920, 17557), (4753, 14480), (5068, 13580), (5432, 12670), (6335, 10864), (6790, 10136), (7240, 9506), (7760, 8869)]