142508940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{339307}}^1$

素因数の和:339326

約数の個数: 48

約数和(自身を含む): 456029952

約数和(自身を除く): 313521012

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, 339307, 678614, 1017921, 1357228, 1696535, 2035842, 2375149, 3393070, 4071684, 4750298, 5089605, 6786140, 7125447, 9500596, 10179210, 11875745, 14250894, 20358420, 23751490, 28501788, 35627235, 47502980, 71254470, 142508940]

約数ペア:

[(1, 142508940), (2, 71254470), (3, 47502980), (4, 35627235), (5, 28501788), (6, 23751490), (7, 20358420), (10, 14250894), (12, 11875745), (14, 10179210), (15, 9500596), (20, 7125447), (21, 6786140), (28, 5089605), (30, 4750298), (35, 4071684), (42, 3393070), (60, 2375149), (70, 2035842), (84, 1696535), (105, 1357228), (140, 1017921), (210, 678614), (420, 339307)]