30875320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110269}}^1$

素因数の和:110287

約数の個数: 32

約数和(自身を含む): 79394400

約数和(自身を除く): 48519080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110269, 220538, 441076, 551345, 771883, 882152, 1102690, 1543766, 2205380, 3087532, 3859415, 4410760, 6175064, 7718830, 15437660, 30875320]

約数ペア:

[(1, 30875320), (2, 15437660), (4, 7718830), (5, 6175064), (7, 4410760), (8, 3859415), (10, 3087532), (14, 2205380), (20, 1543766), (28, 1102690), (35, 882152), (40, 771883), (56, 551345), (70, 441076), (140, 220538), (280, 110269)]