8447740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:826

約数の個数: 48

約数和(自身を含む): 20547072

約数和(自身を除く): 12099332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 727, 830, 1162, 1454, 1660, 2324, 2905, 2908, 3635, 5089, 5810, 7270, 10178, 11620, 14540, 20356, 25445, 50890, 60341, 101780, 120682, 241364, 301705, 422387, 603410, 844774, 1206820, 1689548, 2111935, 4223870, 8447740]

約数ペア:

[(1, 8447740), (2, 4223870), (4, 2111935), (5, 1689548), (7, 1206820), (10, 844774), (14, 603410), (20, 422387), (28, 301705), (35, 241364), (70, 120682), (83, 101780), (140, 60341), (166, 50890), (332, 25445), (415, 20356), (581, 14540), (727, 11620), (830, 10178), (1162, 7270), (1454, 5810), (1660, 5089), (2324, 3635), (2905, 2908)]