64427020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1499}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 155232000

約数和(自身を除く): 90804980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1499, 1535, 2149, 2998, 3070, 4298, 5996, 6140, 7495, 8596, 10493, 10745, 14990, 20986, 21490, 29980, 41972, 42980, 52465, 104930, 209860, 460193, 920386, 1840772, 2300965, 3221351, 4601930, 6442702, 9203860, 12885404, 16106755, 32213510, 64427020]

約数ペア:

[(1, 64427020), (2, 32213510), (4, 16106755), (5, 12885404), (7, 9203860), (10, 6442702), (14, 4601930), (20, 3221351), (28, 2300965), (35, 1840772), (70, 920386), (140, 460193), (307, 209860), (614, 104930), (1228, 52465), (1499, 42980), (1535, 41972), (2149, 29980), (2998, 21490), (3070, 20986), (4298, 14990), (5996, 10745), (6140, 10493), (7495, 8596)]