4471880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{15971}}^1$

素因数の和:15989

約数の個数: 32

約数和(自身を含む): 11499840

約数和(自身を除く): 7027960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 15971, 31942, 63884, 79855, 111797, 127768, 159710, 223594, 319420, 447188, 558985, 638840, 894376, 1117970, 2235940, 4471880]

約数ペア:

[(1, 4471880), (2, 2235940), (4, 1117970), (5, 894376), (7, 638840), (8, 558985), (10, 447188), (14, 319420), (20, 223594), (28, 159710), (35, 127768), (40, 111797), (56, 79855), (70, 63884), (140, 31942), (280, 15971)]