197499780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1097221}}^1$

素因数の和:1097236

約数の個数: 36

約数和(自身を含む): 599083212

約数和(自身を除く): 401583432

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1097221, 2194442, 3291663, 4388884, 5486105, 6583326, 9874989, 10972210, 13166652, 16458315, 19749978, 21944420, 32916630, 39499956, 49374945, 65833260, 98749890, 197499780]

約数ペア:

[(1, 197499780), (2, 98749890), (3, 65833260), (4, 49374945), (5, 39499956), (6, 32916630), (9, 21944420), (10, 19749978), (12, 16458315), (15, 13166652), (18, 10972210), (20, 9874989), (30, 6583326), (36, 5486105), (45, 4388884), (60, 3291663), (90, 2194442), (180, 1097221)]