243939760

素因数分解:

$2^4\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{2351}}^1$

素因数の和:3661

約数の個数: 40

約数和(自身を含む): 567838656

約数和(自身を除く): 323898896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1297, 2351, 2594, 4702, 5188, 6485, 9404, 10376, 11755, 12970, 18808, 20752, 23510, 25940, 37616, 47020, 51880, 94040, 103760, 188080, 3049247, 6098494, 12196988, 15246235, 24393976, 30492470, 48787952, 60984940, 121969880, 243939760]

約数ペア:

[(1, 243939760), (2, 121969880), (4, 60984940), (5, 48787952), (8, 30492470), (10, 24393976), (16, 15246235), (20, 12196988), (40, 6098494), (80, 3049247), (1297, 188080), (2351, 103760), (2594, 94040), (4702, 51880), (5188, 47020), (6485, 37616), (9404, 25940), (10376, 23510), (11755, 20752), (12970, 18808)]