202119890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{32443}}^1$

素因数の和:32546

約数の個数: 32

約数和(自身を含む): 420474240

約数和(自身を除く): 218354350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 32443, 64886, 162215, 227101, 324430, 454202, 1135505, 2271010, 2887427, 5774854, 14437135, 20211989, 28874270, 40423978, 101059945, 202119890]

約数ペア:

[(1, 202119890), (2, 101059945), (5, 40423978), (7, 28874270), (10, 20211989), (14, 14437135), (35, 5774854), (70, 2887427), (89, 2271010), (178, 1135505), (445, 454202), (623, 324430), (890, 227101), (1246, 162215), (3115, 64886), (6230, 32443)]