206837780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{116201}}^1$

素因数の和:116299

約数の個数: 24

約数和(自身を含む): 439243560

約数和(自身を除く): 232405780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 116201, 232402, 464804, 581005, 1162010, 2324020, 10341889, 20683778, 41367556, 51709445, 103418890, 206837780]

約数ペア:

[(1, 206837780), (2, 103418890), (4, 51709445), (5, 41367556), (10, 20683778), (20, 10341889), (89, 2324020), (178, 1162010), (356, 581005), (445, 464804), (890, 232402), (1780, 116201)]