30402785

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4003}}^1$

素因数の和:4053

約数の個数: 24

約数和(自身を含む): 43819776

約数和(自身を除く): 13416991

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 4003, 7595, 20015, 28021, 124093, 140105, 196147, 620465, 868651, 980735, 4343255, 6080557, 30402785]

約数ペア:

[(1, 30402785), (5, 6080557), (7, 4343255), (31, 980735), (35, 868651), (49, 620465), (155, 196147), (217, 140105), (245, 124093), (1085, 28021), (1519, 20015), (4003, 7595)]