1520689730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{21724139}}^1$

素因数の和:21724153

約数の個数: 16

約数和(自身を含む): 3128276160

約数和(自身を除く): 1607586430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 21724139, 43448278, 108620695, 152068973, 217241390, 304137946, 760344865, 1520689730]

約数ペア:

[(1, 1520689730), (2, 760344865), (5, 304137946), (7, 217241390), (10, 152068973), (14, 108620695), (35, 43448278), (70, 21724139)]