8291780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8461}}^1$

素因数の和:8484

約数の個数: 36

約数和(自身を含む): 20258028

約数和(自身を除く): 11966248

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8461, 16922, 33844, 42305, 59227, 84610, 118454, 169220, 236908, 296135, 414589, 592270, 829178, 1184540, 1658356, 2072945, 4145890, 8291780]

約数ペア:

[(1, 8291780), (2, 4145890), (4, 2072945), (5, 1658356), (7, 1184540), (10, 829178), (14, 592270), (20, 414589), (28, 296135), (35, 236908), (49, 169220), (70, 118454), (98, 84610), (140, 59227), (196, 42305), (245, 33844), (490, 16922), (980, 8461)]