209965672

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 461790720

約数和(自身を除く): 251825048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 107, 134, 214, 268, 428, 469, 523, 536, 749, 856, 938, 1046, 1498, 1876, 2092, 2996, 3661, 3752, 4184, 5992, 7169, 7322, 14338, 14644, 28676, 29288, 35041, 50183, 55961, 57352, 70082, 100366, 111922, 140164, 200732, 223844, 245287, 280328, 391727, 401464, 447688, 490574, 783454, 981148, 1566908, 1962296, 3133816, 3749387, 7498774, 14997548, 26245709, 29995096, 52491418, 104982836, 209965672]

約数ペア:

[(1, 209965672), (2, 104982836), (4, 52491418), (7, 29995096), (8, 26245709), (14, 14997548), (28, 7498774), (56, 3749387), (67, 3133816), (107, 1962296), (134, 1566908), (214, 981148), (268, 783454), (428, 490574), (469, 447688), (523, 401464), (536, 391727), (749, 280328), (856, 245287), (938, 223844), (1046, 200732), (1498, 140164), (1876, 111922), (2092, 100366), (2996, 70082), (3661, 57352), (3752, 55961), (4184, 50183), (5992, 35041), (7169, 29288), (7322, 28676), (14338, 14644)]