139765940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{303839}}^1$

素因数の和:303871

約数の個数: 24

約数和(自身を含む): 306270720

約数和(自身を除く): 166504780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 303839, 607678, 1215356, 1519195, 3038390, 6076780, 6988297, 13976594, 27953188, 34941485, 69882970, 139765940]

約数ペア:

[(1, 139765940), (2, 69882970), (4, 34941485), (5, 27953188), (10, 13976594), (20, 6988297), (23, 6076780), (46, 3038390), (92, 1519195), (115, 1215356), (230, 607678), (460, 303839)]