2019080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7211}}^1$

素因数の和:7229

約数の個数: 32

約数和(自身を含む): 5192640

約数和(自身を除く): 3173560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7211, 14422, 28844, 36055, 50477, 57688, 72110, 100954, 144220, 201908, 252385, 288440, 403816, 504770, 1009540, 2019080]

約数ペア:

[(1, 2019080), (2, 1009540), (4, 504770), (5, 403816), (7, 288440), (8, 252385), (10, 201908), (14, 144220), (20, 100954), (28, 72110), (35, 57688), (40, 50477), (56, 36055), (70, 28844), (140, 14422), (280, 7211)]