140980448

素因数分解:

$2^5\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1913}}^1$

素因数の和:1984

約数の個数: 72

約数和(自身を含む): 329912352

約数和(自身を除く): 188931904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 94, 98, 112, 188, 196, 224, 329, 376, 392, 658, 752, 784, 1316, 1504, 1568, 1913, 2303, 2632, 3826, 4606, 5264, 7652, 9212, 10528, 13391, 15304, 18424, 26782, 30608, 36848, 53564, 61216, 73696, 89911, 93737, 107128, 179822, 187474, 214256, 359644, 374948, 428512, 629377, 719288, 749896, 1258754, 1438576, 1499792, 2517508, 2877152, 2999584, 4405639, 5035016, 8811278, 10070032, 17622556, 20140064, 35245112, 70490224, 140980448]

約数ペア:

[(1, 140980448), (2, 70490224), (4, 35245112), (7, 20140064), (8, 17622556), (14, 10070032), (16, 8811278), (28, 5035016), (32, 4405639), (47, 2999584), (49, 2877152), (56, 2517508), (94, 1499792), (98, 1438576), (112, 1258754), (188, 749896), (196, 719288), (224, 629377), (329, 428512), (376, 374948), (392, 359644), (658, 214256), (752, 187474), (784, 179822), (1316, 107128), (1504, 93737), (1568, 89911), (1913, 73696), (2303, 61216), (2632, 53564), (3826, 36848), (4606, 30608), (5264, 26782), (7652, 18424), (9212, 15304), (10528, 13391)]