211245020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1508893}}^1$

素因数の和:1508909

約数の個数: 24

約数和(自身を含む): 506988384

約数和(自身を除く): 295743364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1508893, 3017786, 6035572, 7544465, 10562251, 15088930, 21124502, 30177860, 42249004, 52811255, 105622510, 211245020]

約数ペア:

[(1, 211245020), (2, 105622510), (4, 52811255), (5, 42249004), (7, 30177860), (10, 21124502), (14, 15088930), (20, 10562251), (28, 7544465), (35, 6035572), (70, 3017786), (140, 1508893)]