209620810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{33647}}^1$

素因数の和:33750

約数の個数: 32

約数和(自身を含む): 436078080

約数和(自身を除く): 226457270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 33647, 67294, 168235, 235529, 336470, 471058, 1177645, 2355290, 2994583, 5989166, 14972915, 20962081, 29945830, 41924162, 104810405, 209620810]

約数ペア:

[(1, 209620810), (2, 104810405), (5, 41924162), (7, 29945830), (10, 20962081), (14, 14972915), (35, 5989166), (70, 2994583), (89, 2355290), (178, 1177645), (445, 471058), (623, 336470), (890, 235529), (1246, 168235), (3115, 67294), (6230, 33647)]