289163950

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 549183600

約数和(自身を除く): 260019650

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 227, 349, 365, 454, 698, 730, 1135, 1745, 1825, 2270, 3490, 3650, 5675, 8725, 11350, 16571, 17450, 25477, 33142, 50954, 79223, 82855, 127385, 158446, 165710, 254770, 396115, 414275, 636925, 792230, 828550, 1273850, 1980575, 3961150, 5783279, 11566558, 28916395, 57832790, 144581975, 289163950]

約数ペア:

[(1, 289163950), (2, 144581975), (5, 57832790), (10, 28916395), (25, 11566558), (50, 5783279), (73, 3961150), (146, 1980575), (227, 1273850), (349, 828550), (365, 792230), (454, 636925), (698, 414275), (730, 396115), (1135, 254770), (1745, 165710), (1825, 158446), (2270, 127385), (3490, 82855), (3650, 79223), (5675, 50954), (8725, 33142), (11350, 25477), (16571, 17450)]