388498420

素因数分解:

$2^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{32321}}^1$

素因数の和:32931

約数の個数: 24

約数和(自身を含む): 817229448

約数和(自身を除く): 428731028

約数列:

[1, 2, 4, 5, 10, 20, 601, 1202, 2404, 3005, 6010, 12020, 32321, 64642, 129284, 161605, 323210, 646420, 19424921, 38849842, 77699684, 97124605, 194249210, 388498420]

約数ペア:

[(1, 388498420), (2, 194249210), (4, 97124605), (5, 77699684), (10, 38849842), (20, 19424921), (601, 646420), (1202, 323210), (2404, 161605), (3005, 129284), (6010, 64642), (12020, 32321)]