57218840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204353}}^1$

素因数の和:204371

約数の個数: 32

約数和(自身を含む): 147134880

約数和(自身を除く): 89916040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204353, 408706, 817412, 1021765, 1430471, 1634824, 2043530, 2860942, 4087060, 5721884, 7152355, 8174120, 11443768, 14304710, 28609420, 57218840]

約数ペア:

[(1, 57218840), (2, 28609420), (4, 14304710), (5, 11443768), (7, 8174120), (8, 7152355), (10, 5721884), (14, 4087060), (20, 2860942), (28, 2043530), (35, 1634824), (40, 1430471), (56, 1021765), (70, 817412), (140, 408706), (280, 204353)]