9685820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 12086980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 359, 380, 710, 718, 1349, 1420, 1436, 1795, 2698, 3590, 5396, 6745, 6821, 7180, 13490, 13642, 25489, 26980, 27284, 34105, 50978, 68210, 101956, 127445, 136420, 254890, 484291, 509780, 968582, 1937164, 2421455, 4842910, 9685820]

約数ペア:

[(1, 9685820), (2, 4842910), (4, 2421455), (5, 1937164), (10, 968582), (19, 509780), (20, 484291), (38, 254890), (71, 136420), (76, 127445), (95, 101956), (142, 68210), (190, 50978), (284, 34105), (355, 27284), (359, 26980), (380, 25489), (710, 13642), (718, 13490), (1349, 7180), (1420, 6821), (1436, 6745), (1795, 5396), (2698, 3590)]