557665780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{20639}}^1$

素因数の和:20848

約数の個数: 48

約数和(自身を含む): 1345397760

約数和(自身を除く): 787731980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 13510, 20639, 27020, 41278, 82556, 103195, 144473, 206390, 288946, 412780, 577892, 722365, 1444730, 2889460, 3983327, 7966654, 15933308, 19916635, 27883289, 39833270, 55766578, 79666540, 111533156, 139416445, 278832890, 557665780]

約数ペア:

[(1, 557665780), (2, 278832890), (4, 139416445), (5, 111533156), (7, 79666540), (10, 55766578), (14, 39833270), (20, 27883289), (28, 19916635), (35, 15933308), (70, 7966654), (140, 3983327), (193, 2889460), (386, 1444730), (772, 722365), (965, 577892), (1351, 412780), (1930, 288946), (2702, 206390), (3860, 144473), (5404, 103195), (6755, 82556), (13510, 41278), (20639, 27020)]