239862820

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{18199}}^1$

素因数の和:18867

約数の個数: 24

約数和(自身を含む): 504504000

約数和(自身を除く): 264641180

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 13180, 18199, 36398, 72796, 90995, 181990, 363980, 11993141, 23986282, 47972564, 59965705, 119931410, 239862820]

約数ペア:

[(1, 239862820), (2, 119931410), (4, 59965705), (5, 47972564), (10, 23986282), (20, 11993141), (659, 363980), (1318, 181990), (2636, 90995), (3295, 72796), (6590, 36398), (13180, 18199)]