1666840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5953}}^1$

素因数の和:5971

約数の個数: 32

約数和(自身を含む): 4286880

約数和(自身を除く): 2620040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5953, 11906, 23812, 29765, 41671, 47624, 59530, 83342, 119060, 166684, 208355, 238120, 333368, 416710, 833420, 1666840]

約数ペア:

[(1, 1666840), (2, 833420), (4, 416710), (5, 333368), (7, 238120), (8, 208355), (10, 166684), (14, 119060), (20, 83342), (28, 59530), (35, 47624), (40, 41671), (56, 29765), (70, 23812), (140, 11906), (280, 5953)]