280198740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4669979}}^1$

素因数の和:4669991

約数の個数: 24

約数和(自身を含む): 784556640

約数和(自身を除く): 504357900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4669979, 9339958, 14009937, 18679916, 23349895, 28019874, 46699790, 56039748, 70049685, 93399580, 140099370, 280198740]

約数ペア:

[(1, 280198740), (2, 140099370), (3, 93399580), (4, 70049685), (5, 56039748), (6, 46699790), (10, 28019874), (12, 23349895), (15, 18679916), (20, 14009937), (30, 9339958), (60, 4669979)]