2019017840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{5471}}^1$

素因数の和:6150

約数の個数: 80

約数和(自身を含む): 5373941760

約数和(自身を除く): 3354923920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 659, 1318, 2636, 3295, 4613, 5272, 5471, 6590, 9226, 10544, 10942, 13180, 18452, 21884, 23065, 26360, 27355, 36904, 38297, 43768, 46130, 52720, 54710, 73808, 76594, 87536, 92260, 109420, 153188, 184520, 191485, 218840, 306376, 369040, 382970, 437680, 612752, 765940, 1531880, 3063760, 3605389, 7210778, 14421556, 18026945, 25237723, 28843112, 36053890, 50475446, 57686224, 72107780, 100950892, 126188615, 144215560, 201901784, 252377230, 288431120, 403803568, 504754460, 1009508920, 2019017840]

約数ペア:

[(1, 2019017840), (2, 1009508920), (4, 504754460), (5, 403803568), (7, 288431120), (8, 252377230), (10, 201901784), (14, 144215560), (16, 126188615), (20, 100950892), (28, 72107780), (35, 57686224), (40, 50475446), (56, 36053890), (70, 28843112), (80, 25237723), (112, 18026945), (140, 14421556), (280, 7210778), (560, 3605389), (659, 3063760), (1318, 1531880), (2636, 765940), (3295, 612752), (4613, 437680), (5272, 382970), (5471, 369040), (6590, 306376), (9226, 218840), (10544, 191485), (10942, 184520), (13180, 153188), (18452, 109420), (21884, 92260), (23065, 87536), (26360, 76594), (27355, 73808), (36904, 54710), (38297, 52720), (43768, 46130)]