316326470

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{2557}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 580154400

約数和(自身を除く): 263827930

約数列:

[1, 2, 5, 10, 89, 139, 178, 278, 445, 695, 890, 1390, 2557, 5114, 12371, 12785, 24742, 25570, 61855, 123710, 227573, 355423, 455146, 710846, 1137865, 1777115, 2275730, 3554230, 31632647, 63265294, 158163235, 316326470]

約数ペア:

[(1, 316326470), (2, 158163235), (5, 63265294), (10, 31632647), (89, 3554230), (139, 2275730), (178, 1777115), (278, 1137865), (445, 710846), (695, 455146), (890, 355423), (1390, 227573), (2557, 123710), (5114, 61855), (12371, 25570), (12785, 24742)]