1245341780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{27179}}^1$

素因数の和:27296

約数の個数: 48

約数和(自身を含む): 2739744000

約数和(自身を除く): 1494402220

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 2291, 4582, 9164, 11455, 22910, 27179, 45820, 54358, 108716, 135895, 271790, 543580, 788191, 1576382, 2147141, 3152764, 3940955, 4294282, 7881910, 8588564, 10735705, 15763820, 21471410, 42942820, 62267089, 124534178, 249068356, 311335445, 622670890, 1245341780]

約数ペア:

[(1, 1245341780), (2, 622670890), (4, 311335445), (5, 249068356), (10, 124534178), (20, 62267089), (29, 42942820), (58, 21471410), (79, 15763820), (116, 10735705), (145, 8588564), (158, 7881910), (290, 4294282), (316, 3940955), (395, 3152764), (580, 2147141), (790, 1576382), (1580, 788191), (2291, 543580), (4582, 271790), (9164, 135895), (11455, 108716), (22910, 54358), (27179, 45820)]