69439160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{247997}}^1$

素因数の和:248015

約数の個数: 32

約数和(自身を含む): 178558560

約数和(自身を除く): 109119400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 247997, 495994, 991988, 1239985, 1735979, 1983976, 2479970, 3471958, 4959940, 6943916, 8679895, 9919880, 13887832, 17359790, 34719580, 69439160]

約数ペア:

[(1, 69439160), (2, 34719580), (4, 17359790), (5, 13887832), (7, 9919880), (8, 8679895), (10, 6943916), (14, 4959940), (20, 3471958), (28, 2479970), (35, 1983976), (40, 1735979), (56, 1239985), (70, 991988), (140, 495994), (280, 247997)]