211242640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{377219}}^1$

素因数の和:377239

約数の個数: 40

約数和(自身を含む): 561303360

約数和(自身を除く): 350060720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 377219, 754438, 1508876, 1886095, 2640533, 3017752, 3772190, 5281066, 6035504, 7544380, 10562132, 13202665, 15088760, 21124264, 26405330, 30177520, 42248528, 52810660, 105621320, 211242640]

約数ペア:

[(1, 211242640), (2, 105621320), (4, 52810660), (5, 42248528), (7, 30177520), (8, 26405330), (10, 21124264), (14, 15088760), (16, 13202665), (20, 10562132), (28, 7544380), (35, 6035504), (40, 5281066), (56, 3772190), (70, 3017752), (80, 2640533), (112, 1886095), (140, 1508876), (280, 754438), (560, 377219)]