394708940

素因数分解:

$2^2\times 5^1\times {\mathrm{4327}}^1\times {\mathrm{4561}}^1$

素因数の和:8897

約数の個数: 24

約数和(自身を含む): 829262112

約数和(自身を除く): 434553172

約数列:

[1, 2, 4, 5, 10, 20, 4327, 4561, 8654, 9122, 17308, 18244, 21635, 22805, 43270, 45610, 86540, 91220, 19735447, 39470894, 78941788, 98677235, 197354470, 394708940]

約数ペア:

[(1, 394708940), (2, 197354470), (4, 98677235), (5, 78941788), (10, 39470894), (20, 19735447), (4327, 91220), (4561, 86540), (8654, 45610), (9122, 43270), (17308, 22805), (18244, 21635)]