191820020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1370143}}^1$

素因数の和:1370159

約数の個数: 24

約数和(自身を含む): 460368384

約数和(自身を除く): 268548364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1370143, 2740286, 5480572, 6850715, 9591001, 13701430, 19182002, 27402860, 38364004, 47955005, 95910010, 191820020]

約数ペア:

[(1, 191820020), (2, 95910010), (4, 47955005), (5, 38364004), (7, 27402860), (10, 19182002), (14, 13701430), (20, 9591001), (28, 6850715), (35, 5480572), (70, 2740286), (140, 1370143)]