77384860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{552749}}^1$

素因数の和:552765

約数の個数: 24

約数和(自身を含む): 185724000

約数和(自身を除く): 108339140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 552749, 1105498, 2210996, 2763745, 3869243, 5527490, 7738486, 11054980, 15476972, 19346215, 38692430, 77384860]

約数ペア:

[(1, 77384860), (2, 38692430), (4, 19346215), (5, 15476972), (7, 11054980), (10, 7738486), (14, 5527490), (20, 3869243), (28, 2763745), (35, 2210996), (70, 1105498), (140, 552749)]