389932010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{230729}}^1$

素因数の和:230762

約数の個数: 24

約数和(自身を含む): 760024620

約数和(自身を除く): 370092610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 230729, 461458, 1153645, 2307290, 2999477, 5998954, 14997385, 29994770, 38993201, 77986402, 194966005, 389932010]

約数ペア:

[(1, 389932010), (2, 194966005), (5, 77986402), (10, 38993201), (13, 29994770), (26, 14997385), (65, 5998954), (130, 2999477), (169, 2307290), (338, 1153645), (845, 461458), (1690, 230729)]