220173858

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2247

約数の個数: 48

約数和(自身を含む): 496080000

約数和(自身を除く): 275906142

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 211, 261, 422, 522, 633, 1266, 1899, 1999, 3798, 3998, 5997, 6119, 11994, 12238, 17991, 18357, 35982, 36714, 55071, 57971, 110142, 115942, 173913, 347826, 421789, 521739, 843578, 1043478, 1265367, 2530734, 3796101, 7592202, 12231881, 24463762, 36695643, 73391286, 110086929, 220173858]

約数ペア:

[(1, 220173858), (2, 110086929), (3, 73391286), (6, 36695643), (9, 24463762), (18, 12231881), (29, 7592202), (58, 3796101), (87, 2530734), (174, 1265367), (211, 1043478), (261, 843578), (422, 521739), (522, 421789), (633, 347826), (1266, 173913), (1899, 115942), (1999, 110142), (3798, 57971), (3998, 55071), (5997, 36714), (6119, 35982), (11994, 18357), (12238, 17991)]