1282124620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{43403}}^1$

素因数の和:43630

約数の個数: 48

約数和(自身を含む): 3091753728

約数和(自身を除く): 1809629108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 43403, 86806, 173612, 217015, 303821, 434030, 607642, 868060, 1215284, 1519105, 3038210, 6076420, 9158033, 18316066, 36632132, 45790165, 64106231, 91580330, 128212462, 183160660, 256424924, 320531155, 641062310, 1282124620]

約数ペア:

[(1, 1282124620), (2, 641062310), (4, 320531155), (5, 256424924), (7, 183160660), (10, 128212462), (14, 91580330), (20, 64106231), (28, 45790165), (35, 36632132), (70, 18316066), (140, 9158033), (211, 6076420), (422, 3038210), (844, 1519105), (1055, 1215284), (1477, 868060), (2110, 607642), (2954, 434030), (4220, 303821), (5908, 217015), (7385, 173612), (14770, 86806), (29540, 43403)]