57774280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 77009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 389, 395, 470, 632, 778, 790, 940, 1556, 1580, 1880, 1945, 3112, 3160, 3713, 3890, 7426, 7780, 14852, 15560, 18283, 18565, 29704, 30731, 36566, 37130, 61462, 73132, 74260, 91415, 122924, 146264, 148520, 153655, 182830, 245848, 307310, 365660, 614620, 731320, 1229240, 1444357, 2888714, 5777428, 7221785, 11554856, 14443570, 28887140, 57774280]

約数ペア:

[(1, 57774280), (2, 28887140), (4, 14443570), (5, 11554856), (8, 7221785), (10, 5777428), (20, 2888714), (40, 1444357), (47, 1229240), (79, 731320), (94, 614620), (158, 365660), (188, 307310), (235, 245848), (316, 182830), (376, 153655), (389, 148520), (395, 146264), (470, 122924), (632, 91415), (778, 74260), (790, 73132), (940, 61462), (1556, 37130), (1580, 36566), (1880, 30731), (1945, 29704), (3112, 18565), (3160, 18283), (3713, 15560), (3890, 14852), (7426, 7780)]