128545370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 236552400

約数和(自身を除く): 108007030

約数列:

[1, 2, 5, 10, 89, 97, 178, 194, 445, 485, 890, 970, 1489, 2978, 7445, 8633, 14890, 17266, 43165, 86330, 132521, 144433, 265042, 288866, 662605, 722165, 1325210, 1444330, 12854537, 25709074, 64272685, 128545370]

約数ペア:

[(1, 128545370), (2, 64272685), (5, 25709074), (10, 12854537), (89, 1444330), (97, 1325210), (178, 722165), (194, 662605), (445, 288866), (485, 265042), (890, 144433), (970, 132521), (1489, 86330), (2978, 43165), (7445, 17266), (8633, 14890)]