213077960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{54917}}^1$

素因数の和:55025

約数の個数: 32

約数和(自身を含む): 484376760

約数和(自身を除く): 271298800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 54917, 109834, 219668, 274585, 439336, 549170, 1098340, 2196680, 5326949, 10653898, 21307796, 26634745, 42615592, 53269490, 106538980, 213077960]

約数ペア:

[(1, 213077960), (2, 106538980), (4, 53269490), (5, 42615592), (8, 26634745), (10, 21307796), (20, 10653898), (40, 5326949), (97, 2196680), (194, 1098340), (388, 549170), (485, 439336), (776, 274585), (970, 219668), (1940, 109834), (3880, 54917)]