256861114760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{337975151}}^1$

素因数の和:337975181

約数の個数: 32

約数和(自身を含む): 608355273600

約数和(自身を除く): 351494158840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 337975151, 675950302, 1351900604, 1689875755, 2703801208, 3379751510, 6421527869, 6759503020, 12843055738, 13519006040, 25686111476, 32107639345, 51372222952, 64215278690, 128430557380, 256861114760]

約数ペア:

[(1, 256861114760), (2, 128430557380), (4, 64215278690), (5, 51372222952), (8, 32107639345), (10, 25686111476), (19, 13519006040), (20, 12843055738), (38, 6759503020), (40, 6421527869), (76, 3379751510), (95, 2703801208), (152, 1689875755), (190, 1351900604), (380, 675950302), (760, 337975151)]