1078840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3853}}^1$

素因数の和:3871

約数の個数: 32

約数和(自身を含む): 2774880

約数和(自身を除く): 1696040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3853, 7706, 15412, 19265, 26971, 30824, 38530, 53942, 77060, 107884, 134855, 154120, 215768, 269710, 539420, 1078840]

約数ペア:

[(1, 1078840), (2, 539420), (4, 269710), (5, 215768), (7, 154120), (8, 134855), (10, 107884), (14, 77060), (20, 53942), (28, 38530), (35, 30824), (40, 26971), (56, 19265), (70, 15412), (140, 7706), (280, 3853)]