153966820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157109}}^1$

素因数の和:157132

約数の個数: 36

約数和(自身を含む): 376121340

約数和(自身を除く): 222154520

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 157109, 314218, 628436, 785545, 1099763, 1571090, 2199526, 3142180, 4399052, 5498815, 7698341, 10997630, 15396682, 21995260, 30793364, 38491705, 76983410, 153966820]

約数ペア:

[(1, 153966820), (2, 76983410), (4, 38491705), (5, 30793364), (7, 21995260), (10, 15396682), (14, 10997630), (20, 7698341), (28, 5498815), (35, 4399052), (49, 3142180), (70, 2199526), (98, 1571090), (140, 1099763), (196, 785545), (245, 628436), (490, 314218), (980, 157109)]