403772020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{380917}}^1$

素因数の和:380979

約数の個数: 24

約数和(自身を含む): 863922024

約数和(自身を除く): 460150004

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 380917, 761834, 1523668, 1904585, 3809170, 7618340, 20188601, 40377202, 80754404, 100943005, 201886010, 403772020]

約数ペア:

[(1, 403772020), (2, 201886010), (4, 100943005), (5, 80754404), (10, 40377202), (20, 20188601), (53, 7618340), (106, 3809170), (212, 1904585), (265, 1523668), (530, 761834), (1060, 380917)]