213704820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{169607}}^1$

素因数の和:169629

約数の個数: 72

約数和(自身を含む): 740847744

約数和(自身を除く): 527142924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 169607, 339214, 508821, 678428, 848035, 1017642, 1187249, 1526463, 1696070, 2035284, 2374498, 2544105, 3052926, 3392140, 3561747, 4748996, 5088210, 5936245, 6105852, 7123494, 7632315, 10176420, 10685241, 11872490, 14246988, 15264630, 17808735, 21370482, 23744980, 30529260, 35617470, 42740964, 53426205, 71234940, 106852410, 213704820]

約数ペア:

[(1, 213704820), (2, 106852410), (3, 71234940), (4, 53426205), (5, 42740964), (6, 35617470), (7, 30529260), (9, 23744980), (10, 21370482), (12, 17808735), (14, 15264630), (15, 14246988), (18, 11872490), (20, 10685241), (21, 10176420), (28, 7632315), (30, 7123494), (35, 6105852), (36, 5936245), (42, 5088210), (45, 4748996), (60, 3561747), (63, 3392140), (70, 3052926), (84, 2544105), (90, 2374498), (105, 2035284), (126, 1696070), (140, 1526463), (180, 1187249), (210, 1017642), (252, 848035), (315, 678428), (420, 508821), (630, 339214), (1260, 169607)]