71234420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11027}}^1$

素因数の和:11072

約数の個数: 48

約数和(自身を含む): 166743360

約数和(自身を除く): 95508940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 11027, 22054, 44108, 55135, 110270, 187459, 209513, 220540, 374918, 419026, 749836, 838052, 937295, 1047565, 1874590, 2095130, 3561721, 3749180, 4190260, 7123442, 14246884, 17808605, 35617210, 71234420]

約数ペア:

[(1, 71234420), (2, 35617210), (4, 17808605), (5, 14246884), (10, 7123442), (17, 4190260), (19, 3749180), (20, 3561721), (34, 2095130), (38, 1874590), (68, 1047565), (76, 937295), (85, 838052), (95, 749836), (170, 419026), (190, 374918), (323, 220540), (340, 209513), (380, 187459), (646, 110270), (1292, 55135), (1615, 44108), (3230, 22054), (6460, 11027)]