78288970

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 143256960

約数和(自身を除く): 64967990

約数列:

[1, 2, 5, 10, 139, 151, 278, 302, 373, 695, 746, 755, 1390, 1510, 1865, 3730, 20989, 41978, 51847, 56323, 103694, 104945, 112646, 209890, 259235, 281615, 518470, 563230, 7828897, 15657794, 39144485, 78288970]

約数ペア:

[(1, 78288970), (2, 39144485), (5, 15657794), (10, 7828897), (139, 563230), (151, 518470), (278, 281615), (302, 259235), (373, 209890), (695, 112646), (746, 104945), (755, 103694), (1390, 56323), (1510, 51847), (1865, 41978), (3730, 20989)]