28274540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201961}}^1$

素因数の和:201977

約数の個数: 24

約数和(自身を含む): 67859232

約数和(自身を除く): 39584692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201961, 403922, 807844, 1009805, 1413727, 2019610, 2827454, 4039220, 5654908, 7068635, 14137270, 28274540]

約数ペア:

[(1, 28274540), (2, 14137270), (4, 7068635), (5, 5654908), (7, 4039220), (10, 2827454), (14, 2019610), (20, 1413727), (28, 1009805), (35, 807844), (70, 403922), (140, 201961)]