19959100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28513}}^1$

素因数の和:28534

約数の個数: 36

約数和(自身を含む): 49500304

約数和(自身を除く): 29541204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28513, 57026, 114052, 142565, 199591, 285130, 399182, 570260, 712825, 798364, 997955, 1425650, 1995910, 2851300, 3991820, 4989775, 9979550, 19959100]

約数ペア:

[(1, 19959100), (2, 9979550), (4, 4989775), (5, 3991820), (7, 2851300), (10, 1995910), (14, 1425650), (20, 997955), (25, 798364), (28, 712825), (35, 570260), (50, 399182), (70, 285130), (100, 199591), (140, 142565), (175, 114052), (350, 57026), (700, 28513)]