247901920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:980

約数の個数: 96

約数和(自身を含む): 672235200

約数和(自身を除く): 424333280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 389, 560, 569, 778, 1120, 1138, 1556, 1945, 2276, 2723, 2845, 3112, 3890, 3983, 4552, 5446, 5690, 6224, 7780, 7966, 9104, 10892, 11380, 12448, 13615, 15560, 15932, 18208, 19915, 21784, 22760, 27230, 31120, 31864, 39830, 43568, 45520, 54460, 62240, 63728, 79660, 87136, 91040, 108920, 127456, 159320, 217840, 221341, 318640, 435680, 442682, 637280, 885364, 1106705, 1549387, 1770728, 2213410, 3098774, 3541456, 4426820, 6197548, 7082912, 7746935, 8853640, 12395096, 15493870, 17707280, 24790192, 30987740, 35414560, 49580384, 61975480, 123950960, 247901920]

約数ペア:

[(1, 247901920), (2, 123950960), (4, 61975480), (5, 49580384), (7, 35414560), (8, 30987740), (10, 24790192), (14, 17707280), (16, 15493870), (20, 12395096), (28, 8853640), (32, 7746935), (35, 7082912), (40, 6197548), (56, 4426820), (70, 3541456), (80, 3098774), (112, 2213410), (140, 1770728), (160, 1549387), (224, 1106705), (280, 885364), (389, 637280), (560, 442682), (569, 435680), (778, 318640), (1120, 221341), (1138, 217840), (1556, 159320), (1945, 127456), (2276, 108920), (2723, 91040), (2845, 87136), (3112, 79660), (3890, 63728), (3983, 62240), (4552, 54460), (5446, 45520), (5690, 43568), (6224, 39830), (7780, 31864), (7966, 31120), (9104, 27230), (10892, 22760), (11380, 21784), (12448, 19915), (13615, 18208), (15560, 15932)]