72939700

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{1433}}^1$

素因数の和:1956

約数の個数: 36

約数和(自身を含む): 158700780

約数和(自身を除く): 85761080

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 1433, 2036, 2545, 2866, 5090, 5732, 7165, 10180, 12725, 14330, 25450, 28660, 35825, 50900, 71650, 143300, 729397, 1458794, 2917588, 3646985, 7293970, 14587940, 18234925, 36469850, 72939700]

約数ペア:

[(1, 72939700), (2, 36469850), (4, 18234925), (5, 14587940), (10, 7293970), (20, 3646985), (25, 2917588), (50, 1458794), (100, 729397), (509, 143300), (1018, 71650), (1433, 50900), (2036, 35825), (2545, 28660), (2866, 25450), (5090, 14330), (5732, 12725), (7165, 10180)]