210997580

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{98597}}^1$

素因数の和:98713

約数の個数: 24

約数和(自身を含む): 447240528

約数和(自身を除く): 236242948

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 98597, 197194, 394388, 492985, 985970, 1971940, 10549879, 21099758, 42199516, 52749395, 105498790, 210997580]

約数ペア:

[(1, 210997580), (2, 105498790), (4, 52749395), (5, 42199516), (10, 21099758), (20, 10549879), (107, 1971940), (214, 985970), (428, 492985), (535, 394388), (1070, 197194), (2140, 98597)]