255703120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{188017}}^1$

素因数の和:188047

約数の個数: 40

約数和(自身を含む): 629484264

約数和(自身を除く): 373781144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 188017, 376034, 752068, 940085, 1504136, 1880170, 3008272, 3196289, 3760340, 6392578, 7520680, 12785156, 15041360, 15981445, 25570312, 31962890, 51140624, 63925780, 127851560, 255703120]

約数ペア:

[(1, 255703120), (2, 127851560), (4, 63925780), (5, 51140624), (8, 31962890), (10, 25570312), (16, 15981445), (17, 15041360), (20, 12785156), (34, 7520680), (40, 6392578), (68, 3760340), (80, 3196289), (85, 3008272), (136, 1880170), (170, 1504136), (272, 940085), (340, 752068), (680, 376034), (1360, 188017)]