172840670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{194203}}^1$

素因数の和:194299

約数の個数: 16

約数和(自身を含む): 314610480

約数和(自身を除く): 141769810

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 194203, 388406, 971015, 1942030, 17284067, 34568134, 86420335, 172840670]

約数ペア:

[(1, 172840670), (2, 86420335), (5, 34568134), (10, 17284067), (89, 1942030), (178, 971015), (445, 388406), (890, 194203)]