199040020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{268973}}^1$

素因数の和:269019

約数の個数: 24

約数和(自身を含む): 429282504

約数和(自身を除く): 230242484

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 268973, 537946, 1075892, 1344865, 2689730, 5379460, 9952001, 19904002, 39808004, 49760005, 99520010, 199040020]

約数ペア:

[(1, 199040020), (2, 99520010), (4, 49760005), (5, 39808004), (10, 19904002), (20, 9952001), (37, 5379460), (74, 2689730), (148, 1344865), (185, 1075892), (370, 537946), (740, 268973)]