199509740

素因数分解:

$2^2\times 5^1\times {\mathrm{2083}}^1\times {\mathrm{4789}}^1$

素因数の和:6881

約数の個数: 24

約数和(自身を含む): 419259120

約数和(自身を除く): 219749380

約数列:

[1, 2, 4, 5, 10, 20, 2083, 4166, 4789, 8332, 9578, 10415, 19156, 20830, 23945, 41660, 47890, 95780, 9975487, 19950974, 39901948, 49877435, 99754870, 199509740]

約数ペア:

[(1, 199509740), (2, 99754870), (4, 49877435), (5, 39901948), (10, 19950974), (20, 9975487), (2083, 95780), (4166, 47890), (4789, 41660), (8332, 23945), (9578, 20830), (10415, 19156)]