123500380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{325001}}^1$

素因数の和:325029

約数の個数: 24

約数和(自身を含む): 273001680

約数和(自身を除く): 149501300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 325001, 650002, 1300004, 1625005, 3250010, 6175019, 6500020, 12350038, 24700076, 30875095, 61750190, 123500380]

約数ペア:

[(1, 123500380), (2, 61750190), (4, 30875095), (5, 24700076), (10, 12350038), (19, 6500020), (20, 6175019), (38, 3250010), (76, 1625005), (95, 1300004), (190, 650002), (380, 325001)]