389984010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{999959}}^1$

素因数の和:999982

約数の個数: 32

約数和(自身を含む): 1007959680

約数和(自身を除く): 617975670

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 999959, 1999918, 2999877, 4999795, 5999754, 9999590, 12999467, 14999385, 25998934, 29998770, 38998401, 64997335, 77996802, 129994670, 194992005, 389984010]

約数ペア:

[(1, 389984010), (2, 194992005), (3, 129994670), (5, 77996802), (6, 64997335), (10, 38998401), (13, 29998770), (15, 25998934), (26, 14999385), (30, 12999467), (39, 9999590), (65, 5999754), (78, 4999795), (130, 2999877), (195, 1999918), (390, 999959)]