50997100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 142490880

約数和(自身を除く): 91493780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 37, 44, 50, 55, 70, 74, 77, 100, 110, 140, 148, 154, 175, 179, 185, 220, 259, 275, 308, 350, 358, 370, 385, 407, 518, 550, 700, 716, 740, 770, 814, 895, 925, 1036, 1100, 1253, 1295, 1540, 1628, 1790, 1850, 1925, 1969, 2035, 2506, 2590, 2849, 3580, 3700, 3850, 3938, 4070, 4475, 5012, 5180, 5698, 6265, 6475, 6623, 7700, 7876, 8140, 8950, 9845, 10175, 11396, 12530, 12950, 13246, 13783, 14245, 17900, 19690, 20350, 25060, 25900, 26492, 27566, 28490, 31325, 33115, 39380, 40700, 46361, 49225, 55132, 56980, 62650, 66230, 68915, 71225, 72853, 92722, 98450, 125300, 132460, 137830, 142450, 145706, 165575, 185444, 196900, 231805, 275660, 284900, 291412, 331150, 344575, 364265, 463610, 509971, 662300, 689150, 728530, 927220, 1019942, 1159025, 1378300, 1457060, 1821325, 2039884, 2318050, 2549855, 3642650, 4636100, 5099710, 7285300, 10199420, 12749275, 25498550, 50997100]

約数ペア:

[(1, 50997100), (2, 25498550), (4, 12749275), (5, 10199420), (7, 7285300), (10, 5099710), (11, 4636100), (14, 3642650), (20, 2549855), (22, 2318050), (25, 2039884), (28, 1821325), (35, 1457060), (37, 1378300), (44, 1159025), (50, 1019942), (55, 927220), (70, 728530), (74, 689150), (77, 662300), (100, 509971), (110, 463610), (140, 364265), (148, 344575), (154, 331150), (175, 291412), (179, 284900), (185, 275660), (220, 231805), (259, 196900), (275, 185444), (308, 165575), (350, 145706), (358, 142450), (370, 137830), (385, 132460), (407, 125300), (518, 98450), (550, 92722), (700, 72853), (716, 71225), (740, 68915), (770, 66230), (814, 62650), (895, 56980), (925, 55132), (1036, 49225), (1100, 46361), (1253, 40700), (1295, 39380), (1540, 33115), (1628, 31325), (1790, 28490), (1850, 27566), (1925, 26492), (1969, 25900), (2035, 25060), (2506, 20350), (2590, 19690), (2849, 17900), (3580, 14245), (3700, 13783), (3850, 13246), (3938, 12950), (4070, 12530), (4475, 11396), (5012, 10175), (5180, 9845), (5698, 8950), (6265, 8140), (6475, 7876), (6623, 7700)]