136990460

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{16747}}^1$

素因数の和:17165

約数の個数: 24

約数和(自身を含む): 288400560

約数和(自身を除く): 151410100

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 16747, 33494, 66988, 83735, 167470, 334940, 6849523, 13699046, 27398092, 34247615, 68495230, 136990460]

約数ペア:

[(1, 136990460), (2, 68495230), (4, 34247615), (5, 27398092), (10, 13699046), (20, 6849523), (409, 334940), (818, 167470), (1636, 83735), (2045, 66988), (4090, 33494), (8180, 16747)]