64869260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 139462176

約数和(自身を除く): 74592916

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 157, 283, 292, 314, 365, 566, 628, 730, 785, 1132, 1415, 1460, 1570, 2830, 3140, 5660, 11461, 20659, 22922, 41318, 44431, 45844, 57305, 82636, 88862, 103295, 114610, 177724, 206590, 222155, 229220, 413180, 444310, 888620, 3243463, 6486926, 12973852, 16217315, 32434630, 64869260]

約数ペア:

[(1, 64869260), (2, 32434630), (4, 16217315), (5, 12973852), (10, 6486926), (20, 3243463), (73, 888620), (146, 444310), (157, 413180), (283, 229220), (292, 222155), (314, 206590), (365, 177724), (566, 114610), (628, 103295), (730, 88862), (785, 82636), (1132, 57305), (1415, 45844), (1460, 44431), (1570, 41318), (2830, 22922), (3140, 20659), (5660, 11461)]