639828084

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 1778747040

約数和(自身を除く): 1138918956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 343, 371, 419, 588, 636, 686, 742, 838, 1029, 1113, 1257, 1372, 1484, 1676, 2058, 2226, 2401, 2514, 2597, 2933, 4116, 4452, 4802, 5028, 5194, 5866, 7203, 7791, 8799, 9604, 10388, 11732, 14406, 15582, 17598, 18179, 20531, 22207, 28812, 31164, 35196, 36358, 41062, 44414, 54537, 61593, 66621, 72716, 82124, 88828, 109074, 123186, 127253, 133242, 143717, 155449, 218148, 246372, 254506, 266484, 287434, 310898, 381759, 431151, 466347, 509012, 574868, 621796, 763518, 862302, 932694, 1006019, 1088143, 1527036, 1724604, 1865388, 2012038, 2176286, 3018057, 3264429, 4024076, 4352572, 6036114, 6528858, 7617001, 12072228, 13057716, 15234002, 22851003, 30468004, 45702006, 53319007, 91404012, 106638014, 159957021, 213276028, 319914042, 639828084]

約数ペア:

[(1, 639828084), (2, 319914042), (3, 213276028), (4, 159957021), (6, 106638014), (7, 91404012), (12, 53319007), (14, 45702006), (21, 30468004), (28, 22851003), (42, 15234002), (49, 13057716), (53, 12072228), (84, 7617001), (98, 6528858), (106, 6036114), (147, 4352572), (159, 4024076), (196, 3264429), (212, 3018057), (294, 2176286), (318, 2012038), (343, 1865388), (371, 1724604), (419, 1527036), (588, 1088143), (636, 1006019), (686, 932694), (742, 862302), (838, 763518), (1029, 621796), (1113, 574868), (1257, 509012), (1372, 466347), (1484, 431151), (1676, 381759), (2058, 310898), (2226, 287434), (2401, 266484), (2514, 254506), (2597, 246372), (2933, 218148), (4116, 155449), (4452, 143717), (4802, 133242), (5028, 127253), (5194, 123186), (5866, 109074), (7203, 88828), (7791, 82124), (8799, 72716), (9604, 66621), (10388, 61593), (11732, 54537), (14406, 44414), (15582, 41062), (17598, 36358), (18179, 35196), (20531, 31164), (22207, 28812)]