209544850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{102217}}^1$

素因数の和:102270

約数の個数: 24

約数和(自身を含む): 399263508

約数和(自身を除く): 189718658

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 102217, 204434, 511085, 1022170, 2555425, 4190897, 5110850, 8381794, 20954485, 41908970, 104772425, 209544850]

約数ペア:

[(1, 209544850), (2, 104772425), (5, 41908970), (10, 20954485), (25, 8381794), (41, 5110850), (50, 4190897), (82, 2555425), (205, 1022170), (410, 511085), (1025, 204434), (2050, 102217)]