7877020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 36

約数和(自身を含む): 17474184

約数和(自身を除く): 9597164

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1091, 1444, 1805, 2182, 3610, 4364, 5455, 7220, 10910, 20729, 21820, 41458, 82916, 103645, 207290, 393851, 414580, 787702, 1575404, 1969255, 3938510, 7877020]

約数ペア:

[(1, 7877020), (2, 3938510), (4, 1969255), (5, 1575404), (10, 787702), (19, 414580), (20, 393851), (38, 207290), (76, 103645), (95, 82916), (190, 41458), (361, 21820), (380, 20729), (722, 10910), (1091, 7220), (1444, 5455), (1805, 4364), (2182, 3610)]