220187418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1987}}^1$

素因数の和:2099

約数の個数: 64

約数和(自身を含む): 508419072

約数和(自身を除く): 288231654

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 73, 138, 146, 219, 253, 438, 506, 759, 803, 1518, 1606, 1679, 1987, 2409, 3358, 3974, 4818, 5037, 5961, 10074, 11922, 18469, 21857, 36938, 43714, 45701, 55407, 65571, 91402, 110814, 131142, 137103, 145051, 274206, 290102, 435153, 502711, 870306, 1005422, 1508133, 1595561, 3016266, 3191122, 3336173, 4786683, 6672346, 9573366, 10008519, 20017038, 36697903, 73395806, 110093709, 220187418]

約数ペア:

[(1, 220187418), (2, 110093709), (3, 73395806), (6, 36697903), (11, 20017038), (22, 10008519), (23, 9573366), (33, 6672346), (46, 4786683), (66, 3336173), (69, 3191122), (73, 3016266), (138, 1595561), (146, 1508133), (219, 1005422), (253, 870306), (438, 502711), (506, 435153), (759, 290102), (803, 274206), (1518, 145051), (1606, 137103), (1679, 131142), (1987, 110814), (2409, 91402), (3358, 65571), (3974, 55407), (4818, 45701), (5037, 43714), (5961, 36938), (10074, 21857), (11922, 18469)]