213872120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{69439}}^1$

素因数の和:69468

約数の個数: 64

約数和(自身を含む): 599961600

約数和(自身を除く): 386089480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 69439, 138878, 277756, 347195, 486073, 555512, 694390, 763829, 972146, 1388780, 1527658, 1944292, 2430365, 2777560, 3055316, 3819145, 3888584, 4860730, 5346803, 6110632, 7638290, 9721460, 10693606, 15276580, 19442920, 21387212, 26734015, 30553160, 42774424, 53468030, 106936060, 213872120]

約数ペア:

[(1, 213872120), (2, 106936060), (4, 53468030), (5, 42774424), (7, 30553160), (8, 26734015), (10, 21387212), (11, 19442920), (14, 15276580), (20, 10693606), (22, 9721460), (28, 7638290), (35, 6110632), (40, 5346803), (44, 4860730), (55, 3888584), (56, 3819145), (70, 3055316), (77, 2777560), (88, 2430365), (110, 1944292), (140, 1527658), (154, 1388780), (220, 972146), (280, 763829), (308, 694390), (385, 555512), (440, 486073), (616, 347195), (770, 277756), (1540, 138878), (3080, 69439)]