430272020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{405917}}^1$

素因数の和:405979

約数の個数: 24

約数和(自身を含む): 920622024

約数和(自身を除く): 490350004

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 405917, 811834, 1623668, 2029585, 4059170, 8118340, 21513601, 43027202, 86054404, 107568005, 215136010, 430272020]

約数ペア:

[(1, 430272020), (2, 215136010), (4, 107568005), (5, 86054404), (10, 43027202), (20, 21513601), (53, 8118340), (106, 4059170), (212, 2029585), (265, 1623668), (530, 811834), (1060, 405917)]