514420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 1160460

約数和(自身を除く): 646040

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 289, 340, 356, 445, 578, 890, 1156, 1445, 1513, 1780, 2890, 3026, 5780, 6052, 7565, 15130, 25721, 30260, 51442, 102884, 128605, 257210, 514420]

約数ペア:

[(1, 514420), (2, 257210), (4, 128605), (5, 102884), (10, 51442), (17, 30260), (20, 25721), (34, 15130), (68, 7565), (85, 6052), (89, 5780), (170, 3026), (178, 2890), (289, 1780), (340, 1513), (356, 1445), (445, 1156), (578, 890)]