27219220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 65721600

約数和(自身を除く): 38502380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 977, 995, 1393, 1954, 1990, 2786, 3908, 3980, 4885, 5572, 6839, 6965, 9770, 13678, 13930, 19540, 27356, 27860, 34195, 68390, 136780, 194423, 388846, 777692, 972115, 1360961, 1944230, 2721922, 3888460, 5443844, 6804805, 13609610, 27219220]

約数ペア:

[(1, 27219220), (2, 13609610), (4, 6804805), (5, 5443844), (7, 3888460), (10, 2721922), (14, 1944230), (20, 1360961), (28, 972115), (35, 777692), (70, 388846), (140, 194423), (199, 136780), (398, 68390), (796, 34195), (977, 27860), (995, 27356), (1393, 19540), (1954, 13930), (1990, 13678), (2786, 9770), (3908, 6965), (3980, 6839), (4885, 5572)]