69840970

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 128595600

約数和(自身を除く): 58754630

約数列:

[1, 2, 5, 10, 89, 97, 178, 194, 445, 485, 809, 890, 970, 1618, 4045, 8090, 8633, 17266, 43165, 72001, 78473, 86330, 144002, 156946, 360005, 392365, 720010, 784730, 6984097, 13968194, 34920485, 69840970]

約数ペア:

[(1, 69840970), (2, 34920485), (5, 13968194), (10, 6984097), (89, 784730), (97, 720010), (178, 392365), (194, 360005), (445, 156946), (485, 144002), (809, 86330), (890, 78473), (970, 72001), (1618, 43165), (4045, 17266), (8090, 8633)]