322840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1153}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 830880

約数和(自身を除く): 508040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1153, 2306, 4612, 5765, 8071, 9224, 11530, 16142, 23060, 32284, 40355, 46120, 64568, 80710, 161420, 322840]

約数ペア:

[(1, 322840), (2, 161420), (4, 80710), (5, 64568), (7, 46120), (8, 40355), (10, 32284), (14, 23060), (20, 16142), (28, 11530), (35, 9224), (40, 8071), (56, 5765), (70, 4612), (140, 2306), (280, 1153)]