2940980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3001}}^1$

素因数の和:3024

約数の個数: 36

約数和(自身を含む): 7186788

約数和(自身を除く): 4245808

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3001, 6002, 12004, 15005, 21007, 30010, 42014, 60020, 84028, 105035, 147049, 210070, 294098, 420140, 588196, 735245, 1470490, 2940980]

約数ペア:

[(1, 2940980), (2, 1470490), (4, 735245), (5, 588196), (7, 420140), (10, 294098), (14, 210070), (20, 147049), (28, 105035), (35, 84028), (49, 60020), (70, 42014), (98, 30010), (140, 21007), (196, 15005), (245, 12004), (490, 6002), (980, 3001)]