131965960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2633}}^1$

素因数の和:2830

約数の個数: 64

約数和(自身を含む): 341366400

約数和(自身を除く): 209400440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1790, 2506, 2633, 3580, 5012, 5266, 6265, 7160, 10024, 10532, 12530, 13165, 18431, 21064, 25060, 26330, 36862, 50120, 52660, 73724, 92155, 105320, 147448, 184310, 368620, 471307, 737240, 942614, 1885228, 2356535, 3299149, 3770456, 4713070, 6598298, 9426140, 13196596, 16495745, 18852280, 26393192, 32991490, 65982980, 131965960]

約数ペア:

[(1, 131965960), (2, 65982980), (4, 32991490), (5, 26393192), (7, 18852280), (8, 16495745), (10, 13196596), (14, 9426140), (20, 6598298), (28, 4713070), (35, 3770456), (40, 3299149), (56, 2356535), (70, 1885228), (140, 942614), (179, 737240), (280, 471307), (358, 368620), (716, 184310), (895, 147448), (1253, 105320), (1432, 92155), (1790, 73724), (2506, 52660), (2633, 50120), (3580, 36862), (5012, 26330), (5266, 25060), (6265, 21064), (7160, 18431), (10024, 13165), (10532, 12530)]