89438000

素因数分解:

$2^4\times 5^3\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 218316384

約数和(自身を除く): 128878384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 197, 200, 227, 250, 394, 400, 454, 500, 788, 908, 985, 1000, 1135, 1576, 1816, 1970, 2000, 2270, 3152, 3632, 3940, 4540, 4925, 5675, 7880, 9080, 9850, 11350, 15760, 18160, 19700, 22700, 24625, 28375, 39400, 44719, 45400, 49250, 56750, 78800, 89438, 90800, 98500, 113500, 178876, 197000, 223595, 227000, 357752, 394000, 447190, 454000, 715504, 894380, 1117975, 1788760, 2235950, 3577520, 4471900, 5589875, 8943800, 11179750, 17887600, 22359500, 44719000, 89438000]

約数ペア:

[(1, 89438000), (2, 44719000), (4, 22359500), (5, 17887600), (8, 11179750), (10, 8943800), (16, 5589875), (20, 4471900), (25, 3577520), (40, 2235950), (50, 1788760), (80, 1117975), (100, 894380), (125, 715504), (197, 454000), (200, 447190), (227, 394000), (250, 357752), (394, 227000), (400, 223595), (454, 197000), (500, 178876), (788, 113500), (908, 98500), (985, 90800), (1000, 89438), (1135, 78800), (1576, 56750), (1816, 49250), (1970, 45400), (2000, 44719), (2270, 39400), (3152, 28375), (3632, 24625), (3940, 22700), (4540, 19700), (4925, 18160), (5675, 15760), (7880, 11350), (9080, 9850)]