542877400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{208799}}^1$

素因数の和:208828

約数の個数: 48

約数和(自身を含む): 1359288000

約数和(自身を除く): 816410600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 208799, 417598, 835196, 1043995, 1670392, 2087990, 2714387, 4175980, 5219975, 5428774, 8351960, 10439950, 10857548, 13571935, 20879900, 21715096, 27143870, 41759800, 54287740, 67859675, 108575480, 135719350, 271438700, 542877400]

約数ペア:

[(1, 542877400), (2, 271438700), (4, 135719350), (5, 108575480), (8, 67859675), (10, 54287740), (13, 41759800), (20, 27143870), (25, 21715096), (26, 20879900), (40, 13571935), (50, 10857548), (52, 10439950), (65, 8351960), (100, 5428774), (104, 5219975), (130, 4175980), (200, 2714387), (260, 2087990), (325, 1670392), (520, 1043995), (650, 835196), (1300, 417598), (2600, 208799)]