78893080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281761}}^1$

素因数の和:281779

約数の個数: 32

約数和(自身を含む): 202868640

約数和(自身を除く): 123975560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281761, 563522, 1127044, 1408805, 1972327, 2254088, 2817610, 3944654, 5635220, 7889308, 9861635, 11270440, 15778616, 19723270, 39446540, 78893080]

約数ペア:

[(1, 78893080), (2, 39446540), (4, 19723270), (5, 15778616), (7, 11270440), (8, 9861635), (10, 7889308), (14, 5635220), (20, 3944654), (28, 2817610), (35, 2254088), (40, 1972327), (56, 1408805), (70, 1127044), (140, 563522), (280, 281761)]