101025820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{721613}}^1$

素因数の和:721629

約数の個数: 24

約数和(自身を含む): 242462304

約数和(自身を除く): 141436484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 721613, 1443226, 2886452, 3608065, 5051291, 7216130, 10102582, 14432260, 20205164, 25256455, 50512910, 101025820]

約数ペア:

[(1, 101025820), (2, 50512910), (4, 25256455), (5, 20205164), (7, 14432260), (10, 10102582), (14, 7216130), (20, 5051291), (28, 3608065), (35, 2886452), (70, 1443226), (140, 721613)]