220121868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 557383680

約数和(自身を除く): 337261812

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 71, 92, 94, 138, 141, 142, 188, 213, 239, 276, 282, 284, 426, 478, 564, 717, 852, 956, 1081, 1434, 1633, 2162, 2868, 3243, 3266, 3337, 4324, 4899, 5497, 6486, 6532, 6674, 9798, 10011, 10994, 11233, 12972, 13348, 16491, 16969, 19596, 20022, 21988, 22466, 32982, 33699, 33938, 40044, 44932, 50907, 65964, 67398, 67876, 76751, 101814, 134796, 153502, 203628, 230253, 258359, 307004, 390287, 460506, 516718, 775077, 780574, 797543, 921012, 1033436, 1170861, 1550154, 1561148, 1595086, 2341722, 2392629, 3100308, 3190172, 4683444, 4785258, 9570516, 18343489, 36686978, 55030467, 73373956, 110060934, 220121868]

約数ペア:

[(1, 220121868), (2, 110060934), (3, 73373956), (4, 55030467), (6, 36686978), (12, 18343489), (23, 9570516), (46, 4785258), (47, 4683444), (69, 3190172), (71, 3100308), (92, 2392629), (94, 2341722), (138, 1595086), (141, 1561148), (142, 1550154), (188, 1170861), (213, 1033436), (239, 921012), (276, 797543), (282, 780574), (284, 775077), (426, 516718), (478, 460506), (564, 390287), (717, 307004), (852, 258359), (956, 230253), (1081, 203628), (1434, 153502), (1633, 134796), (2162, 101814), (2868, 76751), (3243, 67876), (3266, 67398), (3337, 65964), (4324, 50907), (4899, 44932), (5497, 40044), (6486, 33938), (6532, 33699), (6674, 32982), (9798, 22466), (10011, 21988), (10994, 20022), (11233, 19596), (12972, 16969), (13348, 16491)]