310197872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{19603}}^1$

素因数の和:19677

約数の個数: 40

約数和(自身を含む): 641756544

約数和(自身を除く): 331558672

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 19603, 39206, 78412, 156824, 313648, 450869, 842929, 901738, 1685858, 1803476, 3371716, 3606952, 6743432, 7213904, 13486864, 19387367, 38774734, 77549468, 155098936, 310197872]

約数ペア:

[(1, 310197872), (2, 155098936), (4, 77549468), (8, 38774734), (16, 19387367), (23, 13486864), (43, 7213904), (46, 6743432), (86, 3606952), (92, 3371716), (172, 1803476), (184, 1685858), (344, 901738), (368, 842929), (688, 450869), (989, 313648), (1978, 156824), (3956, 78412), (7912, 39206), (15824, 19603)]