30745900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7499}}^1$

素因数の和:7554

約数の個数: 36

約数和(自身を含む): 68355000

約数和(自身を除く): 37609100

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 7499, 14998, 29996, 37495, 74990, 149980, 187475, 307459, 374950, 614918, 749900, 1229836, 1537295, 3074590, 6149180, 7686475, 15372950, 30745900]

約数ペア:

[(1, 30745900), (2, 15372950), (4, 7686475), (5, 6149180), (10, 3074590), (20, 1537295), (25, 1229836), (41, 749900), (50, 614918), (82, 374950), (100, 307459), (164, 187475), (205, 149980), (410, 74990), (820, 37495), (1025, 29996), (2050, 14998), (4100, 7499)]