217537900

素因数分解:

$2^2\times 5^2\times {\mathrm{983}}^1\times {\mathrm{2213}}^1$

素因数の和:3210

約数の個数: 36

約数和(自身を含む): 472750992

約数和(自身を除く): 255213092

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 983, 1966, 2213, 3932, 4426, 4915, 8852, 9830, 11065, 19660, 22130, 24575, 44260, 49150, 55325, 98300, 110650, 221300, 2175379, 4350758, 8701516, 10876895, 21753790, 43507580, 54384475, 108768950, 217537900]

約数ペア:

[(1, 217537900), (2, 108768950), (4, 54384475), (5, 43507580), (10, 21753790), (20, 10876895), (25, 8701516), (50, 4350758), (100, 2175379), (983, 221300), (1966, 110650), (2213, 98300), (3932, 55325), (4426, 49150), (4915, 44260), (8852, 24575), (9830, 22130), (11065, 19660)]