312231.0000000

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 4249728

約数和(自身を除く): 2202878

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 67, 94, 130, 134, 235, 325, 335, 470, 611, 650, 670, 871, 1175, 1222, 1675, 1742, 2350, 3055, 3149, 3350, 4355, 6110, 6298, 8710, 15275, 15745, 21775, 30550, 31490, 40937, 43550, 78725, 81874, 157450, 204685, 409370, 1023425, 2046850]

約数ペア:

[(1, 2046850), (2, 1023425), (5, 409370), (10, 204685), (13, 157450), (25, 81874), (26, 78725), (47, 43550), (50, 40937), (65, 31490), (67, 30550), (94, 21775), (130, 15745), (134, 15275), (235, 8710), (325, 6298), (335, 6110), (470, 4355), (611, 3350), (650, 3149), (670, 3055), (871, 2350), (1175, 1742), (1222, 1675)]