198186280

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{18839}}^1$

素因数の和:19113

約数の個数: 32

約数和(自身を含む): 447638400

約数和(自身を除く): 249452120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 18839, 37678, 75356, 94195, 150712, 188390, 376780, 753560, 4954657, 9909314, 19818628, 24773285, 39637256, 49546570, 99093140, 198186280]

約数ペア:

[(1, 198186280), (2, 99093140), (4, 49546570), (5, 39637256), (8, 24773285), (10, 19818628), (20, 9909314), (40, 4954657), (263, 753560), (526, 376780), (1052, 188390), (1315, 150712), (2104, 94195), (2630, 75356), (5260, 37678), (10520, 18839)]