319023904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4219}}^1$

素因数の和:4385

約数の個数: 48

約数和(自身を含む): 669967200

約数和(自身を除く): 350943296

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 139, 272, 278, 544, 556, 1112, 2224, 2363, 4219, 4448, 4726, 8438, 9452, 16876, 18904, 33752, 37808, 67504, 71723, 75616, 135008, 143446, 286892, 573784, 586441, 1147568, 1172882, 2295136, 2345764, 4691528, 9383056, 9969497, 18766112, 19938994, 39877988, 79755976, 159511952, 319023904]

約数ペア:

[(1, 319023904), (2, 159511952), (4, 79755976), (8, 39877988), (16, 19938994), (17, 18766112), (32, 9969497), (34, 9383056), (68, 4691528), (136, 2345764), (139, 2295136), (272, 1172882), (278, 1147568), (544, 586441), (556, 573784), (1112, 286892), (2224, 143446), (2363, 135008), (4219, 75616), (4448, 71723), (4726, 67504), (8438, 37808), (9452, 33752), (16876, 18904)]