77385140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{552751}}^1$

素因数の和:552767

約数の個数: 24

約数和(自身を含む): 185724672

約数和(自身を除く): 108339532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 552751, 1105502, 2211004, 2763755, 3869257, 5527510, 7738514, 11055020, 15477028, 19346285, 38692570, 77385140]

約数ペア:

[(1, 77385140), (2, 38692570), (4, 19346285), (5, 15477028), (7, 11055020), (10, 7738514), (14, 5527510), (20, 3869257), (28, 2763755), (35, 2211004), (70, 1105502), (140, 552751)]