9989900

素因数分解:

$2^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 21816312

約数和(自身を除く): 11826412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283, 353, 566, 706, 1132, 1412, 1415, 1765, 2830, 3530, 5660, 7060, 7075, 8825, 14150, 17650, 28300, 35300, 99899, 199798, 399596, 499495, 998990, 1997980, 2497475, 4994950, 9989900]

約数ペア:

[(1, 9989900), (2, 4994950), (4, 2497475), (5, 1997980), (10, 998990), (20, 499495), (25, 399596), (50, 199798), (100, 99899), (283, 35300), (353, 28300), (566, 17650), (706, 14150), (1132, 8825), (1412, 7075), (1415, 7060), (1765, 5660), (2830, 3530)]