199892140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4591}}^1$

素因数の和:4918

約数の個数: 48

約数和(自身を含む): 481388544

約数和(自身を除く): 281496404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 4354, 4591, 6220, 8708, 9182, 10885, 18364, 21770, 22955, 32137, 43540, 45910, 64274, 91820, 128548, 160685, 321370, 642740, 1427801, 2855602, 5711204, 7139005, 9994607, 14278010, 19989214, 28556020, 39978428, 49973035, 99946070, 199892140]

約数ペア:

[(1, 199892140), (2, 99946070), (4, 49973035), (5, 39978428), (7, 28556020), (10, 19989214), (14, 14278010), (20, 9994607), (28, 7139005), (35, 5711204), (70, 2855602), (140, 1427801), (311, 642740), (622, 321370), (1244, 160685), (1555, 128548), (2177, 91820), (3110, 64274), (4354, 45910), (4591, 43540), (6220, 32137), (8708, 22955), (9182, 21770), (10885, 18364)]