29947940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 69056064

約数和(自身を除く): 39108124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 691, 788, 985, 1382, 1970, 2167, 2764, 3455, 3940, 4334, 6910, 7601, 8668, 10835, 13820, 15202, 21670, 30404, 38005, 43340, 76010, 136127, 152020, 272254, 544508, 680635, 1361270, 1497397, 2722540, 2994794, 5989588, 7486985, 14973970, 29947940]

約数ペア:

[(1, 29947940), (2, 14973970), (4, 7486985), (5, 5989588), (10, 2994794), (11, 2722540), (20, 1497397), (22, 1361270), (44, 680635), (55, 544508), (110, 272254), (197, 152020), (220, 136127), (394, 76010), (691, 43340), (788, 38005), (985, 30404), (1382, 21670), (1970, 15202), (2167, 13820), (2764, 10835), (3455, 8668), (3940, 7601), (4334, 6910)]