203488540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{104891}}^1$

素因数の和:104997

約数の個数: 24

約数和(自身を含む): 431735472

約数和(自身を除く): 228246932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 104891, 209782, 419564, 524455, 1048910, 2097820, 10174427, 20348854, 40697708, 50872135, 101744270, 203488540]

約数ペア:

[(1, 203488540), (2, 101744270), (4, 50872135), (5, 40697708), (10, 20348854), (20, 10174427), (97, 2097820), (194, 1048910), (388, 524455), (485, 419564), (970, 209782), (1940, 104891)]