200918680

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{17749}}^1$

素因数の和:18043

約数の個数: 32

約数和(自身を含む): 453690000

約数和(自身を除く): 252771320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 17749, 35498, 70996, 88745, 141992, 177490, 354980, 709960, 5022967, 10045934, 20091868, 25114835, 40183736, 50229670, 100459340, 200918680]

約数ペア:

[(1, 200918680), (2, 100459340), (4, 50229670), (5, 40183736), (8, 25114835), (10, 20091868), (20, 10045934), (40, 5022967), (283, 709960), (566, 354980), (1132, 177490), (1415, 141992), (2264, 88745), (2830, 70996), (5660, 35498), (11320, 17749)]