28878700

素因数分解:

$2^2\times 5^2\times {\mathrm{317}}^1\times {\mathrm{911}}^1$

素因数の和:1242

約数の個数: 36

約数和(自身を含む): 62933472

約数和(自身を除く): 34054772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 317, 634, 911, 1268, 1585, 1822, 3170, 3644, 4555, 6340, 7925, 9110, 15850, 18220, 22775, 31700, 45550, 91100, 288787, 577574, 1155148, 1443935, 2887870, 5775740, 7219675, 14439350, 28878700]

約数ペア:

[(1, 28878700), (2, 14439350), (4, 7219675), (5, 5775740), (10, 2887870), (20, 1443935), (25, 1155148), (50, 577574), (100, 288787), (317, 91100), (634, 45550), (911, 31700), (1268, 22775), (1585, 18220), (1822, 15850), (3170, 9110), (3644, 7925), (4555, 6340)]