207871880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 477681840

約数和(自身を除く): 269809960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 257, 277, 292, 365, 514, 554, 584, 730, 1028, 1108, 1285, 1385, 1460, 2056, 2216, 2570, 2770, 2920, 5140, 5540, 10280, 11080, 18761, 20221, 37522, 40442, 71189, 75044, 80884, 93805, 101105, 142378, 150088, 161768, 187610, 202210, 284756, 355945, 375220, 404420, 569512, 711890, 750440, 808840, 1423780, 2847560, 5196797, 10393594, 20787188, 25983985, 41574376, 51967970, 103935940, 207871880]

約数ペア:

[(1, 207871880), (2, 103935940), (4, 51967970), (5, 41574376), (8, 25983985), (10, 20787188), (20, 10393594), (40, 5196797), (73, 2847560), (146, 1423780), (257, 808840), (277, 750440), (292, 711890), (365, 569512), (514, 404420), (554, 375220), (584, 355945), (730, 284756), (1028, 202210), (1108, 187610), (1285, 161768), (1385, 150088), (1460, 142378), (2056, 101105), (2216, 93805), (2570, 80884), (2770, 75044), (2920, 71189), (5140, 40442), (5540, 37522), (10280, 20221), (11080, 18761)]