420856688

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1487}}^1$

素因数の和:1547

約数の個数: 90

約数和(自身を含む): 1001761776

約数和(自身を除く): 580905088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 361, 392, 532, 722, 784, 931, 1064, 1444, 1487, 1862, 2128, 2527, 2888, 2974, 3724, 5054, 5776, 5948, 7448, 10108, 10409, 11896, 14896, 17689, 20216, 20818, 23792, 28253, 35378, 40432, 41636, 56506, 70756, 72863, 83272, 113012, 141512, 145726, 166544, 197771, 226024, 283024, 291452, 395542, 452048, 536807, 582904, 791084, 1073614, 1165808, 1384397, 1582168, 2147228, 2768794, 3164336, 3757649, 4294456, 5537588, 7515298, 8588912, 11075176, 15030596, 22150352, 26303543, 30061192, 52607086, 60122384, 105214172, 210428344, 420856688]

約数ペア:

[(1, 420856688), (2, 210428344), (4, 105214172), (7, 60122384), (8, 52607086), (14, 30061192), (16, 26303543), (19, 22150352), (28, 15030596), (38, 11075176), (49, 8588912), (56, 7515298), (76, 5537588), (98, 4294456), (112, 3757649), (133, 3164336), (152, 2768794), (196, 2147228), (266, 1582168), (304, 1384397), (361, 1165808), (392, 1073614), (532, 791084), (722, 582904), (784, 536807), (931, 452048), (1064, 395542), (1444, 291452), (1487, 283024), (1862, 226024), (2128, 197771), (2527, 166544), (2888, 145726), (2974, 141512), (3724, 113012), (5054, 83272), (5776, 72863), (5948, 70756), (7448, 56506), (10108, 41636), (10409, 40432), (11896, 35378), (14896, 28253), (17689, 23792), (20216, 20818)]