399489984

素因数分解:

$2^6\times 3^2\times {\mathrm{397}}^1\times {\mathrm{1747}}^1$

素因数の和:2162

約数の個数: 84

約数和(自身を含む): 1148607304

約数和(自身を除く): 749117320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 397, 576, 794, 1191, 1588, 1747, 2382, 3176, 3494, 3573, 4764, 5241, 6352, 6988, 7146, 9528, 10482, 12704, 13976, 14292, 15723, 19056, 20964, 25408, 27952, 28584, 31446, 38112, 41928, 55904, 57168, 62892, 76224, 83856, 111808, 114336, 125784, 167712, 228672, 251568, 335424, 503136, 693559, 1006272, 1387118, 2080677, 2774236, 4161354, 5548472, 6242031, 8322708, 11096944, 12484062, 16645416, 22193888, 24968124, 33290832, 44387776, 49936248, 66581664, 99872496, 133163328, 199744992, 399489984]

約数ペア:

[(1, 399489984), (2, 199744992), (3, 133163328), (4, 99872496), (6, 66581664), (8, 49936248), (9, 44387776), (12, 33290832), (16, 24968124), (18, 22193888), (24, 16645416), (32, 12484062), (36, 11096944), (48, 8322708), (64, 6242031), (72, 5548472), (96, 4161354), (144, 2774236), (192, 2080677), (288, 1387118), (397, 1006272), (576, 693559), (794, 503136), (1191, 335424), (1588, 251568), (1747, 228672), (2382, 167712), (3176, 125784), (3494, 114336), (3573, 111808), (4764, 83856), (5241, 76224), (6352, 62892), (6988, 57168), (7146, 55904), (9528, 41928), (10482, 38112), (12704, 31446), (13976, 28584), (14292, 27952), (15723, 25408), (19056, 20964)]