220170140

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{31543}}^1$

素因数の和:31901

約数の個数: 24

約数和(自身を含む): 463696800

約数和(自身を除く): 243526660

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 31543, 63086, 126172, 157715, 315430, 630860, 11008507, 22017014, 44034028, 55042535, 110085070, 220170140]

約数ペア:

[(1, 220170140), (2, 110085070), (4, 55042535), (5, 44034028), (10, 22017014), (20, 11008507), (349, 630860), (698, 315430), (1396, 157715), (1745, 126172), (3490, 63086), (6980, 31543)]