297145880

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{7451}}^1$

素因数の和:8459

約数の個数: 32

約数和(自身を含む): 669338640

約数和(自身を除く): 372192760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 7451, 7976, 9970, 14902, 19940, 29804, 37255, 39880, 59608, 74510, 149020, 298040, 7428647, 14857294, 29714588, 37143235, 59429176, 74286470, 148572940, 297145880]

約数ペア:

[(1, 297145880), (2, 148572940), (4, 74286470), (5, 59429176), (8, 37143235), (10, 29714588), (20, 14857294), (40, 7428647), (997, 298040), (1994, 149020), (3988, 74510), (4985, 59608), (7451, 39880), (7976, 37255), (9970, 29804), (14902, 19940)]