208996970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1409}}^1$

素因数の和:1599

約数の個数: 64

約数和(自身を含む): 466179840

約数和(自身を除く): 257182870

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 163, 182, 326, 455, 815, 910, 1141, 1409, 1630, 2119, 2282, 2818, 4238, 5705, 7045, 9863, 10595, 11410, 14090, 14833, 18317, 19726, 21190, 29666, 36634, 49315, 74165, 91585, 98630, 128219, 148330, 183170, 229667, 256438, 459334, 641095, 1148335, 1282190, 1607669, 2296670, 2985671, 3215338, 5971342, 8038345, 14928355, 16076690, 20899697, 29856710, 41799394, 104498485, 208996970]

約数ペア:

[(1, 208996970), (2, 104498485), (5, 41799394), (7, 29856710), (10, 20899697), (13, 16076690), (14, 14928355), (26, 8038345), (35, 5971342), (65, 3215338), (70, 2985671), (91, 2296670), (130, 1607669), (163, 1282190), (182, 1148335), (326, 641095), (455, 459334), (815, 256438), (910, 229667), (1141, 183170), (1409, 148330), (1630, 128219), (2119, 98630), (2282, 91585), (2818, 74165), (4238, 49315), (5705, 36634), (7045, 29666), (9863, 21190), (10595, 19726), (11410, 18317), (14090, 14833)]