222022220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 589897728

約数和(自身を除く): 367875508

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 191, 230, 266, 322, 361, 380, 382, 437, 460, 532, 644, 665, 722, 764, 805, 874, 955, 1330, 1337, 1444, 1610, 1748, 1805, 1910, 2185, 2527, 2660, 2674, 3059, 3220, 3610, 3629, 3820, 4370, 4393, 5054, 5348, 6118, 6685, 7220, 7258, 8303, 8740, 8786, 10108, 12236, 12635, 13370, 14516, 15295, 16606, 17572, 18145, 21965, 25270, 25403, 26740, 30590, 30751, 33212, 36290, 41515, 43930, 50540, 50806, 58121, 61180, 61502, 68951, 72580, 83030, 83467, 87860, 101612, 116242, 123004, 127015, 137902, 153755, 166060, 166934, 232484, 254030, 275804, 290605, 307510, 333868, 344755, 417335, 482657, 508060, 581210, 584269, 615020, 689510, 834670, 965314, 1162420, 1168538, 1379020, 1585873, 1669340, 1930628, 2337076, 2413285, 2921345, 3171746, 4826570, 5842690, 6343492, 7929365, 9653140, 11101111, 11685380, 15858730, 22202222, 31717460, 44404444, 55505555, 111011110, 222022220]

約数ペア:

[(1, 222022220), (2, 111011110), (4, 55505555), (5, 44404444), (7, 31717460), (10, 22202222), (14, 15858730), (19, 11685380), (20, 11101111), (23, 9653140), (28, 7929365), (35, 6343492), (38, 5842690), (46, 4826570), (70, 3171746), (76, 2921345), (92, 2413285), (95, 2337076), (115, 1930628), (133, 1669340), (140, 1585873), (161, 1379020), (190, 1168538), (191, 1162420), (230, 965314), (266, 834670), (322, 689510), (361, 615020), (380, 584269), (382, 581210), (437, 508060), (460, 482657), (532, 417335), (644, 344755), (665, 333868), (722, 307510), (764, 290605), (805, 275804), (874, 254030), (955, 232484), (1330, 166934), (1337, 166060), (1444, 153755), (1610, 137902), (1748, 127015), (1805, 123004), (1910, 116242), (2185, 101612), (2527, 87860), (2660, 83467), (2674, 83030), (3059, 72580), (3220, 68951), (3610, 61502), (3629, 61180), (3820, 58121), (4370, 50806), (4393, 50540), (5054, 43930), (5348, 41515), (6118, 36290), (6685, 33212), (7220, 30751), (7258, 30590), (8303, 26740), (8740, 25403), (8786, 25270), (10108, 21965), (12236, 18145), (12635, 17572), (13370, 16606), (14516, 15295)]