200397460

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{17989}}^1$

素因数の和:18555

約数の個数: 24

約数和(自身を含む): 421613640

約数和(自身を除く): 221216180

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 17989, 35978, 71956, 89945, 179890, 359780, 10019873, 20039746, 40079492, 50099365, 100198730, 200397460]

約数ペア:

[(1, 200397460), (2, 100198730), (4, 50099365), (5, 40079492), (10, 20039746), (20, 10019873), (557, 359780), (1114, 179890), (2228, 89945), (2785, 71956), (5570, 35978), (11140, 17989)]