71189000

素因数分解:

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

素因数の和:555

約数の個数: 64

約数和(自身を含む): 167834160

約数和(自身を除く): 96645160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 257, 277, 500, 514, 554, 1000, 1028, 1108, 1285, 1385, 2056, 2216, 2570, 2770, 5140, 5540, 6425, 6925, 10280, 11080, 12850, 13850, 25700, 27700, 32125, 34625, 51400, 55400, 64250, 69250, 71189, 128500, 138500, 142378, 257000, 277000, 284756, 355945, 569512, 711890, 1423780, 1779725, 2847560, 3559450, 7118900, 8898625, 14237800, 17797250, 35594500, 71189000]

約数ペア:

[(1, 71189000), (2, 35594500), (4, 17797250), (5, 14237800), (8, 8898625), (10, 7118900), (20, 3559450), (25, 2847560), (40, 1779725), (50, 1423780), (100, 711890), (125, 569512), (200, 355945), (250, 284756), (257, 277000), (277, 257000), (500, 142378), (514, 138500), (554, 128500), (1000, 71189), (1028, 69250), (1108, 64250), (1285, 55400), (1385, 51400), (2056, 34625), (2216, 32125), (2570, 27700), (2770, 25700), (5140, 13850), (5540, 12850), (6425, 11080), (6925, 10280)]