1777240

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 4038480

約数和(自身を除く): 2261240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 283, 314, 566, 628, 785, 1132, 1256, 1415, 1570, 2264, 2830, 3140, 5660, 6280, 11320, 44431, 88862, 177724, 222155, 355448, 444310, 888620, 1777240]

約数ペア:

[(1, 1777240), (2, 888620), (4, 444310), (5, 355448), (8, 222155), (10, 177724), (20, 88862), (40, 44431), (157, 11320), (283, 6280), (314, 5660), (566, 3140), (628, 2830), (785, 2264), (1132, 1570), (1256, 1415)]