205438210

素因数分解:

$2^1\times 5^1\times {\mathrm{953}}^1\times {\mathrm{21557}}^1$

素因数の和:22517

約数の個数: 16

約数和(自身を含む): 370193976

約数和(自身を除く): 164755766

約数列:

[1, 2, 5, 10, 953, 1906, 4765, 9530, 21557, 43114, 107785, 215570, 20543821, 41087642, 102719105, 205438210]

約数ペア:

[(1, 205438210), (2, 102719105), (5, 41087642), (10, 20543821), (953, 215570), (1906, 107785), (4765, 43114), (9530, 21557)]