130553780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19841}}^1$

素因数の和:19904

約数の個数: 48

約数和(自身を含む): 320011776

約数和(自身を除く): 189457996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 19841, 39682, 79364, 99205, 138887, 198410, 277774, 396820, 555548, 694435, 932527, 1388870, 1865054, 2777740, 3730108, 4662635, 6527689, 9325270, 13055378, 18650540, 26110756, 32638445, 65276890, 130553780]

約数ペア:

[(1, 130553780), (2, 65276890), (4, 32638445), (5, 26110756), (7, 18650540), (10, 13055378), (14, 9325270), (20, 6527689), (28, 4662635), (35, 3730108), (47, 2777740), (70, 1865054), (94, 1388870), (140, 932527), (188, 694435), (235, 555548), (329, 396820), (470, 277774), (658, 198410), (940, 138887), (1316, 99205), (1645, 79364), (3290, 39682), (6580, 19841)]