156721220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{270209}}^1$

素因数の和:270247

約数の個数: 24

約数和(自身を含む): 340464600

約数和(自身を除く): 183743380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 270209, 540418, 1080836, 1351045, 2702090, 5404180, 7836061, 15672122, 31344244, 39180305, 78360610, 156721220]

約数ペア:

[(1, 156721220), (2, 78360610), (4, 39180305), (5, 31344244), (10, 15672122), (20, 7836061), (29, 5404180), (58, 2702090), (116, 1351045), (145, 1080836), (290, 540418), (580, 270209)]