393048470

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{1987}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 717970176

約数和(自身を除く): 324921706

約数列:

[1, 2, 5, 10, 131, 151, 262, 302, 655, 755, 1310, 1510, 1987, 3974, 9935, 19781, 19870, 39562, 98905, 197810, 260297, 300037, 520594, 600074, 1301485, 1500185, 2602970, 3000370, 39304847, 78609694, 196524235, 393048470]

約数ペア:

[(1, 393048470), (2, 196524235), (5, 78609694), (10, 39304847), (131, 3000370), (151, 2602970), (262, 1500185), (302, 1301485), (655, 600074), (755, 520594), (1310, 300037), (1510, 260297), (1987, 197810), (3974, 98905), (9935, 39562), (19781, 19870)]