201420128

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^2$

素因数の和:556

約数の個数: 72

約数和(自身を含む): 489919248

約数和(自身を除く): 288499120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 263, 364, 416, 526, 728, 1052, 1456, 1841, 2104, 2912, 3419, 3682, 4208, 6838, 7364, 8416, 13676, 14728, 23933, 27352, 29456, 47866, 54704, 58912, 69169, 95732, 109408, 138338, 191464, 276676, 382928, 484183, 553352, 765856, 899197, 968366, 1106704, 1798394, 1936732, 2213408, 3596788, 3873464, 6294379, 7193576, 7746928, 12588758, 14387152, 15493856, 25177516, 28774304, 50355032, 100710064, 201420128]

約数ペア:

[(1, 201420128), (2, 100710064), (4, 50355032), (7, 28774304), (8, 25177516), (13, 15493856), (14, 14387152), (16, 12588758), (26, 7746928), (28, 7193576), (32, 6294379), (52, 3873464), (56, 3596788), (91, 2213408), (104, 1936732), (112, 1798394), (182, 1106704), (208, 968366), (224, 899197), (263, 765856), (364, 553352), (416, 484183), (526, 382928), (728, 276676), (1052, 191464), (1456, 138338), (1841, 109408), (2104, 95732), (2912, 69169), (3419, 58912), (3682, 54704), (4208, 47866), (6838, 29456), (7364, 27352), (8416, 23933), (13676, 14728)]