7700140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{55001}}^1$

素因数の和:55017

約数の個数: 24

約数和(自身を含む): 18480672

約数和(自身を除く): 10780532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 55001, 110002, 220004, 275005, 385007, 550010, 770014, 1100020, 1540028, 1925035, 3850070, 7700140]

約数ペア:

[(1, 7700140), (2, 3850070), (4, 1925035), (5, 1540028), (7, 1100020), (10, 770014), (14, 550010), (20, 385007), (28, 275005), (35, 220004), (70, 110002), (140, 55001)]