153960940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157103}}^1$

素因数の和:157126

約数の個数: 36

約数和(自身を含む): 376106976

約数和(自身を除く): 222146036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 157103, 314206, 628412, 785515, 1099721, 1571030, 2199442, 3142060, 4398884, 5498605, 7698047, 10997210, 15396094, 21994420, 30792188, 38490235, 76980470, 153960940]

約数ペア:

[(1, 153960940), (2, 76980470), (4, 38490235), (5, 30792188), (7, 21994420), (10, 15396094), (14, 10997210), (20, 7698047), (28, 5498605), (35, 4398884), (49, 3142060), (70, 2199442), (98, 1571030), (140, 1099721), (196, 785515), (245, 628412), (490, 314206), (980, 157103)]