212847860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{343303}}^1$

素因数の和:343343

約数の個数: 24

約数和(自身を含む): 461400576

約数和(自身を除く): 248552716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 343303, 686606, 1373212, 1716515, 3433030, 6866060, 10642393, 21284786, 42569572, 53211965, 106423930, 212847860]

約数ペア:

[(1, 212847860), (2, 106423930), (4, 53211965), (5, 42569572), (10, 21284786), (20, 10642393), (31, 6866060), (62, 3433030), (124, 1716515), (155, 1373212), (310, 686606), (620, 343303)]