203444080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51899}}^1$

素因数の和:51926

約数の個数: 60

約数和(自身を含む): 550243800

約数和(自身を除く): 346799720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51899, 103798, 207596, 259495, 363293, 415192, 518990, 726586, 830384, 1037980, 1453172, 1816465, 2075960, 2543051, 2906344, 3632930, 4151920, 5086102, 5812688, 7265860, 10172204, 12715255, 14531720, 20344408, 25430510, 29063440, 40688816, 50861020, 101722040, 203444080]

約数ペア:

[(1, 203444080), (2, 101722040), (4, 50861020), (5, 40688816), (7, 29063440), (8, 25430510), (10, 20344408), (14, 14531720), (16, 12715255), (20, 10172204), (28, 7265860), (35, 5812688), (40, 5086102), (49, 4151920), (56, 3632930), (70, 2906344), (80, 2543051), (98, 2075960), (112, 1816465), (140, 1453172), (196, 1037980), (245, 830384), (280, 726586), (392, 518990), (490, 415192), (560, 363293), (784, 259495), (980, 207596), (1960, 103798), (3920, 51899)]