2909620

素因数分解:

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

素因数の和:2992

約数の個数: 36

約数和(自身を含む): 7110180

約数和(自身を除く): 4200560

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2969, 5938, 11876, 14845, 20783, 29690, 41566, 59380, 83132, 103915, 145481, 207830, 290962, 415660, 581924, 727405, 1454810, 2909620]

約数ペア:

[(1, 2909620), (2, 1454810), (4, 727405), (5, 581924), (7, 415660), (10, 290962), (14, 207830), (20, 145481), (28, 103915), (35, 83132), (49, 59380), (70, 41566), (98, 29690), (140, 20783), (196, 14845), (245, 11876), (490, 5938), (980, 2969)]