27625220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4027}}^1$

素因数の和:4057

約数の個数: 48

約数和(自身を含む): 67670400

約数和(自身を除く): 40045180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4027, 6860, 8054, 16108, 20135, 28189, 40270, 56378, 80540, 112756, 140945, 197323, 281890, 394646, 563780, 789292, 986615, 1381261, 1973230, 2762522, 3946460, 5525044, 6906305, 13812610, 27625220]

約数ペア:

[(1, 27625220), (2, 13812610), (4, 6906305), (5, 5525044), (7, 3946460), (10, 2762522), (14, 1973230), (20, 1381261), (28, 986615), (35, 789292), (49, 563780), (70, 394646), (98, 281890), (140, 197323), (196, 140945), (245, 112756), (343, 80540), (490, 56378), (686, 40270), (980, 28189), (1372, 20135), (1715, 16108), (3430, 8054), (4027, 6860)]