28996850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 57451680

約数和(自身を除く): 28454830

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 131, 190, 233, 262, 466, 475, 655, 950, 1165, 1310, 2330, 2489, 3275, 4427, 4978, 5825, 6550, 8854, 11650, 12445, 22135, 24890, 30523, 44270, 61046, 62225, 110675, 124450, 152615, 221350, 305230, 579937, 763075, 1159874, 1526150, 2899685, 5799370, 14498425, 28996850]

約数ペア:

[(1, 28996850), (2, 14498425), (5, 5799370), (10, 2899685), (19, 1526150), (25, 1159874), (38, 763075), (50, 579937), (95, 305230), (131, 221350), (190, 152615), (233, 124450), (262, 110675), (466, 62225), (475, 61046), (655, 44270), (950, 30523), (1165, 24890), (1310, 22135), (2330, 12445), (2489, 11650), (3275, 8854), (4427, 6550), (4978, 5825)]