211391900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 480344256

約数和(自身を除く): 268952356

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 82, 94, 100, 164, 188, 205, 235, 410, 470, 820, 940, 1025, 1097, 1175, 1927, 2050, 2194, 2350, 3854, 4100, 4388, 4700, 5485, 7708, 9635, 10970, 19270, 21940, 27425, 38540, 44977, 48175, 51559, 54850, 89954, 96350, 103118, 109700, 179908, 192700, 206236, 224885, 257795, 449770, 515590, 899540, 1031180, 1124425, 1288975, 2113919, 2248850, 2577950, 4227838, 4497700, 5155900, 8455676, 10569595, 21139190, 42278380, 52847975, 105695950, 211391900]

約数ペア:

[(1, 211391900), (2, 105695950), (4, 52847975), (5, 42278380), (10, 21139190), (20, 10569595), (25, 8455676), (41, 5155900), (47, 4497700), (50, 4227838), (82, 2577950), (94, 2248850), (100, 2113919), (164, 1288975), (188, 1124425), (205, 1031180), (235, 899540), (410, 515590), (470, 449770), (820, 257795), (940, 224885), (1025, 206236), (1097, 192700), (1175, 179908), (1927, 109700), (2050, 103118), (2194, 96350), (2350, 89954), (3854, 54850), (4100, 51559), (4388, 48175), (4700, 44977), (5485, 38540), (7708, 27425), (9635, 21940), (10970, 19270)]