156909770140

素因数分解:

$2^2\times 5^1\times {\mathrm{643231}}^1\times {\mathrm{12197}}^1$

素因数の和:655437

約数の個数: 24

約数和(自身を含む): 329538045312

約数和(自身を除く): 172628275172

約数列:

[1, 2, 4, 5, 10, 20, 12197, 24394, 48788, 60985, 121970, 243940, 643231, 1286462, 2572924, 3216155, 6432310, 12864620, 7845488507, 15690977014, 31381954028, 39227442535, 78454885070, 156909770140]

約数ペア:

[(1, 156909770140), (2, 78454885070), (4, 39227442535), (5, 31381954028), (10, 15690977014), (20, 7845488507), (12197, 12864620), (24394, 6432310), (48788, 3216155), (60985, 2572924), (121970, 1286462), (243940, 643231)]