204544990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{3847}}^1$

素因数の和:4276

約数の個数: 32

約数和(自身を含む): 397575360

約数和(自身を除く): 193030370

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 2045, 3847, 4090, 5317, 7694, 10634, 19235, 26585, 38470, 50011, 53170, 100022, 250055, 500110, 1573423, 3146846, 7867115, 15734230, 20454499, 40908998, 102272495, 204544990]

約数ペア:

[(1, 204544990), (2, 102272495), (5, 40908998), (10, 20454499), (13, 15734230), (26, 7867115), (65, 3146846), (130, 1573423), (409, 500110), (818, 250055), (2045, 100022), (3847, 53170), (4090, 50011), (5317, 38470), (7694, 26585), (10634, 19235)]