419720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1499}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 1080000

約数和(自身を除く): 660280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1499, 2998, 5996, 7495, 10493, 11992, 14990, 20986, 29980, 41972, 52465, 59960, 83944, 104930, 209860, 419720]

約数ペア:

[(1, 419720), (2, 209860), (4, 104930), (5, 83944), (7, 59960), (8, 52465), (10, 41972), (14, 29980), (20, 20986), (28, 14990), (35, 11992), (40, 10493), (56, 7495), (70, 5996), (140, 2998), (280, 1499)]