187174420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{550513}}^1$

素因数の和:550539

約数の個数: 24

約数和(自身を含む): 416188584

約数和(自身を除く): 229014164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 550513, 1101026, 2202052, 2752565, 5505130, 9358721, 11010260, 18717442, 37434884, 46793605, 93587210, 187174420]

約数ペア:

[(1, 187174420), (2, 93587210), (4, 46793605), (5, 37434884), (10, 18717442), (17, 11010260), (20, 9358721), (34, 5505130), (68, 2752565), (85, 2202052), (170, 1101026), (340, 550513)]