289329400

素因数分解:

$2^3\times 5^2\times {\mathrm{997}}^1\times {\mathrm{1451}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 673829640

約数和(自身を除く): 384500240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 997, 1451, 1994, 2902, 3988, 4985, 5804, 7255, 7976, 9970, 11608, 14510, 19940, 24925, 29020, 36275, 39880, 49850, 58040, 72550, 99700, 145100, 199400, 290200, 1446647, 2893294, 5786588, 7233235, 11573176, 14466470, 28932940, 36166175, 57865880, 72332350, 144664700, 289329400]

約数ペア:

[(1, 289329400), (2, 144664700), (4, 72332350), (5, 57865880), (8, 36166175), (10, 28932940), (20, 14466470), (25, 11573176), (40, 7233235), (50, 5786588), (100, 2893294), (200, 1446647), (997, 290200), (1451, 199400), (1994, 145100), (2902, 99700), (3988, 72550), (4985, 58040), (5804, 49850), (7255, 39880), (7976, 36275), (9970, 29020), (11608, 24925), (14510, 19940)]