225825260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1453}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 500757600

約数和(自身を除く): 274932340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 409, 818, 1453, 1636, 2045, 2906, 4090, 5812, 7265, 7771, 8180, 14530, 15542, 27607, 29060, 31084, 38855, 55214, 77710, 110428, 138035, 155420, 276070, 552140, 594277, 1188554, 2377108, 2971385, 5942770, 11291263, 11885540, 22582526, 45165052, 56456315, 112912630, 225825260]

約数ペア:

[(1, 225825260), (2, 112912630), (4, 56456315), (5, 45165052), (10, 22582526), (19, 11885540), (20, 11291263), (38, 5942770), (76, 2971385), (95, 2377108), (190, 1188554), (380, 594277), (409, 552140), (818, 276070), (1453, 155420), (1636, 138035), (2045, 110428), (2906, 77710), (4090, 55214), (5812, 38855), (7265, 31084), (7771, 29060), (8180, 27607), (14530, 15542)]