1345996820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2447}}^1\times {\mathrm{3929}}^1$

素因数の和:6392

約数の個数: 48

約数和(自身を含む): 3232535040

約数和(自身を除く): 1886538220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2447, 3929, 4894, 7858, 9788, 12235, 15716, 17129, 19645, 24470, 27503, 34258, 39290, 48940, 55006, 68516, 78580, 85645, 110012, 137515, 171290, 275030, 342580, 550060, 9614263, 19228526, 38457052, 48071315, 67299841, 96142630, 134599682, 192285260, 269199364, 336499205, 672998410, 1345996820]

約数ペア:

[(1, 1345996820), (2, 672998410), (4, 336499205), (5, 269199364), (7, 192285260), (10, 134599682), (14, 96142630), (20, 67299841), (28, 48071315), (35, 38457052), (70, 19228526), (140, 9614263), (2447, 550060), (3929, 342580), (4894, 275030), (7858, 171290), (9788, 137515), (12235, 110012), (15716, 85645), (17129, 78580), (19645, 68516), (24470, 55006), (27503, 48940), (34258, 39290)]