291250540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{44263}}^1$

素因数の和:44326

約数の個数: 48

約数和(自身を含む): 713889792

約数和(自身を除く): 422639252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 44263, 88526, 177052, 221315, 309841, 442630, 619682, 885260, 1239364, 1549205, 2080361, 3098410, 4160722, 6196820, 8321444, 10401805, 14562527, 20803610, 29125054, 41607220, 58250108, 72812635, 145625270, 291250540]

約数ペア:

[(1, 291250540), (2, 145625270), (4, 72812635), (5, 58250108), (7, 41607220), (10, 29125054), (14, 20803610), (20, 14562527), (28, 10401805), (35, 8321444), (47, 6196820), (70, 4160722), (94, 3098410), (140, 2080361), (188, 1549205), (235, 1239364), (329, 885260), (470, 619682), (658, 442630), (940, 309841), (1316, 221315), (1645, 177052), (3290, 88526), (6580, 44263)]