788804980

素因数分解:

$2^2\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{14389}}^1$

素因数の和:17139

約数の個数: 24

約数和(自身を含む): 1657209960

約数和(自身を除く): 868404980

約数列:

[1, 2, 4, 5, 10, 20, 2741, 5482, 10964, 13705, 14389, 27410, 28778, 54820, 57556, 71945, 143890, 287780, 39440249, 78880498, 157760996, 197201245, 394402490, 788804980]

約数ペア:

[(1, 788804980), (2, 394402490), (4, 197201245), (5, 157760996), (10, 78880498), (20, 39440249), (2741, 287780), (5482, 143890), (10964, 71945), (13705, 57556), (14389, 54820), (27410, 28778)]