181745260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{1861}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 403532640

約数和(自身を除く): 221787380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 514, 1028, 1285, 1861, 2570, 3722, 4883, 5140, 7444, 9305, 9766, 18610, 19532, 24415, 35359, 37220, 48830, 70718, 97660, 141436, 176795, 353590, 478277, 707180, 956554, 1913108, 2391385, 4782770, 9087263, 9565540, 18174526, 36349052, 45436315, 90872630, 181745260]

約数ペア:

[(1, 181745260), (2, 90872630), (4, 45436315), (5, 36349052), (10, 18174526), (19, 9565540), (20, 9087263), (38, 4782770), (76, 2391385), (95, 1913108), (190, 956554), (257, 707180), (380, 478277), (514, 353590), (1028, 176795), (1285, 141436), (1861, 97660), (2570, 70718), (3722, 48830), (4883, 37220), (5140, 35359), (7444, 24415), (9305, 19532), (9766, 18610)]