28487900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40697}}^1$

素因数の和:40718

約数の個数: 36

約数和(自身を含む): 70651728

約数和(自身を除く): 42163828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40697, 81394, 162788, 203485, 284879, 406970, 569758, 813940, 1017425, 1139516, 1424395, 2034850, 2848790, 4069700, 5697580, 7121975, 14243950, 28487900]

約数ペア:

[(1, 28487900), (2, 14243950), (4, 7121975), (5, 5697580), (7, 4069700), (10, 2848790), (14, 2034850), (20, 1424395), (25, 1139516), (28, 1017425), (35, 813940), (50, 569758), (70, 406970), (100, 284879), (140, 203485), (175, 162788), (350, 81394), (700, 40697)]