30877420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220553}}^1$

素因数の和:220569

約数の個数: 24

約数和(自身を含む): 74106144

約数和(自身を除く): 43228724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220553, 441106, 882212, 1102765, 1543871, 2205530, 3087742, 4411060, 6175484, 7719355, 15438710, 30877420]

約数ペア:

[(1, 30877420), (2, 15438710), (4, 7719355), (5, 6175484), (7, 4411060), (10, 3087742), (14, 2205530), (20, 1543871), (28, 1102765), (35, 882212), (70, 441106), (140, 220553)]