191652580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2129}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 460897920

約数和(自身を除く): 269245340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643, 1286, 2129, 2572, 3215, 4258, 4501, 6430, 8516, 9002, 10645, 12860, 14903, 18004, 21290, 22505, 29806, 42580, 45010, 59612, 74515, 90020, 149030, 298060, 1368947, 2737894, 5475788, 6844735, 9582629, 13689470, 19165258, 27378940, 38330516, 47913145, 95826290, 191652580]

約数ペア:

[(1, 191652580), (2, 95826290), (4, 47913145), (5, 38330516), (7, 27378940), (10, 19165258), (14, 13689470), (20, 9582629), (28, 6844735), (35, 5475788), (70, 2737894), (140, 1368947), (643, 298060), (1286, 149030), (2129, 90020), (2572, 74515), (3215, 59612), (4258, 45010), (4501, 42580), (6430, 29806), (8516, 22505), (9002, 21290), (10645, 18004), (12860, 14903)]