256217900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1763

約数の個数: 72

約数和(自身を含む): 586368720

約数和(自身を除く): 330150820

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 145, 212, 265, 290, 530, 580, 725, 1060, 1325, 1450, 1537, 1667, 2650, 2900, 3074, 3334, 5300, 6148, 6668, 7685, 8335, 15370, 16670, 30740, 33340, 38425, 41675, 48343, 76850, 83350, 88351, 96686, 153700, 166700, 176702, 193372, 241715, 353404, 441755, 483430, 883510, 966860, 1208575, 1767020, 2208775, 2417150, 2562179, 4417550, 4834300, 5124358, 8835100, 10248716, 12810895, 25621790, 51243580, 64054475, 128108950, 256217900]

約数ペア:

[(1, 256217900), (2, 128108950), (4, 64054475), (5, 51243580), (10, 25621790), (20, 12810895), (25, 10248716), (29, 8835100), (50, 5124358), (53, 4834300), (58, 4417550), (100, 2562179), (106, 2417150), (116, 2208775), (145, 1767020), (212, 1208575), (265, 966860), (290, 883510), (530, 483430), (580, 441755), (725, 353404), (1060, 241715), (1325, 193372), (1450, 176702), (1537, 166700), (1667, 153700), (2650, 96686), (2900, 88351), (3074, 83350), (3334, 76850), (5300, 48343), (6148, 41675), (6668, 38425), (7685, 33340), (8335, 30740), (15370, 16670)]