187966520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2389}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 485265600

約数和(自身を除く): 297299080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1967, 2248, 2389, 2810, 3934, 4778, 5620, 7868, 9556, 9835, 11240, 11945, 15736, 16723, 19112, 19670, 23890, 33446, 39340, 47780, 66892, 78680, 83615, 95560, 133784, 167230, 334460, 668920, 671309, 1342618, 2685236, 3356545, 4699163, 5370472, 6713090, 9398326, 13426180, 18796652, 23495815, 26852360, 37593304, 46991630, 93983260, 187966520]

約数ペア:

[(1, 187966520), (2, 93983260), (4, 46991630), (5, 37593304), (7, 26852360), (8, 23495815), (10, 18796652), (14, 13426180), (20, 9398326), (28, 6713090), (35, 5370472), (40, 4699163), (56, 3356545), (70, 2685236), (140, 1342618), (280, 671309), (281, 668920), (562, 334460), (1124, 167230), (1405, 133784), (1967, 95560), (2248, 83615), (2389, 78680), (2810, 66892), (3934, 47780), (4778, 39340), (5620, 33446), (7868, 23890), (9556, 19670), (9835, 19112), (11240, 16723), (11945, 15736)]