31006780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221477}}^1$

素因数の和:221493

約数の個数: 24

約数和(自身を含む): 74416608

約数和(自身を除く): 43409828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221477, 442954, 885908, 1107385, 1550339, 2214770, 3100678, 4429540, 6201356, 7751695, 15503390, 31006780]

約数ペア:

[(1, 31006780), (2, 15503390), (4, 7751695), (5, 6201356), (7, 4429540), (10, 3100678), (14, 2214770), (20, 1550339), (28, 1107385), (35, 885908), (70, 442954), (140, 221477)]