13981000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 37739520

約数和(自身を除く): 23758520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 41, 44, 50, 55, 62, 82, 88, 100, 110, 124, 125, 155, 164, 200, 205, 220, 248, 250, 275, 310, 328, 341, 410, 440, 451, 500, 550, 620, 682, 775, 820, 902, 1000, 1025, 1100, 1240, 1271, 1364, 1375, 1550, 1640, 1705, 1804, 2050, 2200, 2255, 2542, 2728, 2750, 3100, 3410, 3608, 3875, 4100, 4510, 5084, 5125, 5500, 6200, 6355, 6820, 7750, 8200, 8525, 9020, 10168, 10250, 11000, 11275, 12710, 13640, 13981, 15500, 17050, 18040, 20500, 22550, 25420, 27962, 31000, 31775, 34100, 41000, 42625, 45100, 50840, 55924, 56375, 63550, 68200, 69905, 85250, 90200, 111848, 112750, 127100, 139810, 158875, 170500, 225500, 254200, 279620, 317750, 341000, 349525, 451000, 559240, 635500, 699050, 1271000, 1398100, 1747625, 2796200, 3495250, 6990500, 13981000]

約数ペア:

[(1, 13981000), (2, 6990500), (4, 3495250), (5, 2796200), (8, 1747625), (10, 1398100), (11, 1271000), (20, 699050), (22, 635500), (25, 559240), (31, 451000), (40, 349525), (41, 341000), (44, 317750), (50, 279620), (55, 254200), (62, 225500), (82, 170500), (88, 158875), (100, 139810), (110, 127100), (124, 112750), (125, 111848), (155, 90200), (164, 85250), (200, 69905), (205, 68200), (220, 63550), (248, 56375), (250, 55924), (275, 50840), (310, 45100), (328, 42625), (341, 41000), (410, 34100), (440, 31775), (451, 31000), (500, 27962), (550, 25420), (620, 22550), (682, 20500), (775, 18040), (820, 17050), (902, 15500), (1000, 13981), (1025, 13640), (1100, 12710), (1240, 11275), (1271, 11000), (1364, 10250), (1375, 10168), (1550, 9020), (1640, 8525), (1705, 8200), (1804, 7750), (2050, 6820), (2200, 6355), (2255, 6200), (2542, 5500), (2728, 5125), (2750, 5084), (3100, 4510), (3410, 4100), (3608, 3875)]