211982540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:975

約数の個数: 96

約数和(自身を含む): 558835200

約数和(自身を除く): 346852660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 179, 220, 308, 358, 385, 716, 769, 770, 895, 1253, 1538, 1540, 1790, 1969, 2506, 3076, 3580, 3845, 3938, 5012, 5383, 6265, 7690, 7876, 8459, 9845, 10766, 12530, 13783, 15380, 16918, 19690, 21532, 25060, 26915, 27566, 33836, 39380, 42295, 53830, 55132, 59213, 68915, 84590, 107660, 118426, 137651, 137830, 169180, 236852, 275302, 275660, 296065, 550604, 592130, 688255, 963557, 1184260, 1376510, 1514161, 1927114, 2753020, 3028322, 3854228, 4817785, 6056644, 7570805, 9635570, 10599127, 15141610, 19271140, 21198254, 30283220, 42396508, 52995635, 105991270, 211982540]

約数ペア:

[(1, 211982540), (2, 105991270), (4, 52995635), (5, 42396508), (7, 30283220), (10, 21198254), (11, 19271140), (14, 15141610), (20, 10599127), (22, 9635570), (28, 7570805), (35, 6056644), (44, 4817785), (55, 3854228), (70, 3028322), (77, 2753020), (110, 1927114), (140, 1514161), (154, 1376510), (179, 1184260), (220, 963557), (308, 688255), (358, 592130), (385, 550604), (716, 296065), (769, 275660), (770, 275302), (895, 236852), (1253, 169180), (1538, 137830), (1540, 137651), (1790, 118426), (1969, 107660), (2506, 84590), (3076, 68915), (3580, 59213), (3845, 55132), (3938, 53830), (5012, 42295), (5383, 39380), (6265, 33836), (7690, 27566), (7876, 26915), (8459, 25060), (9845, 21532), (10766, 19690), (12530, 16918), (13783, 15380)]