886553780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{218363}}^1$

素因数の和:218408

約数の個数: 48

約数和(自身を含む): 2201109120

約数和(自身を除く): 1314555340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 218363, 436726, 873452, 1091815, 1528541, 2183630, 3057082, 4367260, 6114164, 6332527, 7642705, 12665054, 15285410, 25330108, 30570820, 31662635, 44327689, 63325270, 88655378, 126650540, 177310756, 221638445, 443276890, 886553780]

約数ペア:

[(1, 886553780), (2, 443276890), (4, 221638445), (5, 177310756), (7, 126650540), (10, 88655378), (14, 63325270), (20, 44327689), (28, 31662635), (29, 30570820), (35, 25330108), (58, 15285410), (70, 12665054), (116, 7642705), (140, 6332527), (145, 6114164), (203, 4367260), (290, 3057082), (406, 2183630), (580, 1528541), (812, 1091815), (1015, 873452), (2030, 436726), (4060, 218363)]