266600390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{42793}}^1$

素因数の和:42896

約数の個数: 32

約数和(自身を含む): 554610240

約数和(自身を除く): 288009850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 42793, 85586, 213965, 299551, 427930, 599102, 1497755, 2995510, 3808577, 7617154, 19042885, 26660039, 38085770, 53320078, 133300195, 266600390]

約数ペア:

[(1, 266600390), (2, 133300195), (5, 53320078), (7, 38085770), (10, 26660039), (14, 19042885), (35, 7617154), (70, 3808577), (89, 2995510), (178, 1497755), (445, 599102), (623, 427930), (890, 299551), (1246, 213965), (3115, 85586), (6230, 42793)]