202138900

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{7459}}^1$

素因数の和:7744

約数の個数: 36

約数和(自身を含む): 440319040

約数和(自身を除く): 238180140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 2710, 5420, 6775, 7459, 13550, 14918, 27100, 29836, 37295, 74590, 149180, 186475, 372950, 745900, 2021389, 4042778, 8085556, 10106945, 20213890, 40427780, 50534725, 101069450, 202138900]

約数ペア:

[(1, 202138900), (2, 101069450), (4, 50534725), (5, 40427780), (10, 20213890), (20, 10106945), (25, 8085556), (50, 4042778), (100, 2021389), (271, 745900), (542, 372950), (1084, 186475), (1355, 149180), (2710, 74590), (5420, 37295), (6775, 29836), (7459, 27100), (13550, 14918)]