78724700

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{4079}}^1$

素因数の和:4286

約数の個数: 36

約数和(自身を含む): 171759840

約数和(自身を除く): 93035140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 1930, 3860, 4079, 4825, 8158, 9650, 16316, 19300, 20395, 40790, 81580, 101975, 203950, 407900, 787247, 1574494, 3148988, 3936235, 7872470, 15744940, 19681175, 39362350, 78724700]

約数ペア:

[(1, 78724700), (2, 39362350), (4, 19681175), (5, 15744940), (10, 7872470), (20, 3936235), (25, 3148988), (50, 1574494), (100, 787247), (193, 407900), (386, 203950), (772, 101975), (965, 81580), (1930, 40790), (3860, 20395), (4079, 19300), (4825, 16316), (8158, 9650)]