42758940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101807}}^1$

素因数の和:101826

約数の個数: 48

約数和(自身を含む): 136829952

約数和(自身を除く): 94071012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 101807, 203614, 305421, 407228, 509035, 610842, 712649, 1018070, 1221684, 1425298, 1527105, 2036140, 2137947, 2850596, 3054210, 3563245, 4275894, 6108420, 7126490, 8551788, 10689735, 14252980, 21379470, 42758940]

約数ペア:

[(1, 42758940), (2, 21379470), (3, 14252980), (4, 10689735), (5, 8551788), (6, 7126490), (7, 6108420), (10, 4275894), (12, 3563245), (14, 3054210), (15, 2850596), (20, 2137947), (21, 2036140), (28, 1527105), (30, 1425298), (35, 1221684), (42, 1018070), (60, 712649), (70, 610842), (84, 509035), (105, 407228), (140, 305421), (210, 203614), (420, 101807)]