159454820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{162709}}^1$

素因数の和:162732

約数の個数: 36

約数和(自身を含む): 389527740

約数和(自身を除く): 230072920

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 162709, 325418, 650836, 813545, 1138963, 1627090, 2277926, 3254180, 4555852, 5694815, 7972741, 11389630, 15945482, 22779260, 31890964, 39863705, 79727410, 159454820]

約数ペア:

[(1, 159454820), (2, 79727410), (4, 39863705), (5, 31890964), (7, 22779260), (10, 15945482), (14, 11389630), (20, 7972741), (28, 5694815), (35, 4555852), (49, 3254180), (70, 2277926), (98, 1627090), (140, 1138963), (196, 813545), (245, 650836), (490, 325418), (980, 162709)]