1380528020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1169939}}^1$

素因数の和:1170007

約数の個数: 24

約数和(自身を含む): 2948248800

約数和(自身を除く): 1567720780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 1169939, 2339878, 4679756, 5849695, 11699390, 23398780, 69026401, 138052802, 276105604, 345132005, 690264010, 1380528020]

約数ペア:

[(1, 1380528020), (2, 690264010), (4, 345132005), (5, 276105604), (10, 138052802), (20, 69026401), (59, 23398780), (118, 11699390), (236, 5849695), (295, 4679756), (590, 2339878), (1180, 1169939)]