42812980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2969}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 103783680

約数和(自身を除く): 60970700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 2969, 3605, 5938, 7210, 11876, 14420, 14845, 20783, 29690, 41566, 59380, 83132, 103915, 207830, 305807, 415660, 611614, 1223228, 1529035, 2140649, 3058070, 4281298, 6116140, 8562596, 10703245, 21406490, 42812980]

約数ペア:

[(1, 42812980), (2, 21406490), (4, 10703245), (5, 8562596), (7, 6116140), (10, 4281298), (14, 3058070), (20, 2140649), (28, 1529035), (35, 1223228), (70, 611614), (103, 415660), (140, 305807), (206, 207830), (412, 103915), (515, 83132), (721, 59380), (1030, 41566), (1442, 29690), (2060, 20783), (2884, 14845), (2969, 14420), (3605, 11876), (5938, 7210)]