21929800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 55800000

約数和(自身を除く): 33870200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 29, 38, 40, 50, 58, 76, 95, 100, 116, 145, 152, 190, 199, 200, 232, 290, 380, 398, 475, 551, 580, 725, 760, 796, 950, 995, 1102, 1160, 1450, 1592, 1900, 1990, 2204, 2755, 2900, 3781, 3800, 3980, 4408, 4975, 5510, 5771, 5800, 7562, 7960, 9950, 11020, 11542, 13775, 15124, 18905, 19900, 22040, 23084, 27550, 28855, 30248, 37810, 39800, 46168, 55100, 57710, 75620, 94525, 109649, 110200, 115420, 144275, 151240, 189050, 219298, 230840, 288550, 378100, 438596, 548245, 577100, 756200, 877192, 1096490, 1154200, 2192980, 2741225, 4385960, 5482450, 10964900, 21929800]

約数ペア:

[(1, 21929800), (2, 10964900), (4, 5482450), (5, 4385960), (8, 2741225), (10, 2192980), (19, 1154200), (20, 1096490), (25, 877192), (29, 756200), (38, 577100), (40, 548245), (50, 438596), (58, 378100), (76, 288550), (95, 230840), (100, 219298), (116, 189050), (145, 151240), (152, 144275), (190, 115420), (199, 110200), (200, 109649), (232, 94525), (290, 75620), (380, 57710), (398, 55100), (475, 46168), (551, 39800), (580, 37810), (725, 30248), (760, 28855), (796, 27550), (950, 23084), (995, 22040), (1102, 19900), (1160, 18905), (1450, 15124), (1592, 13775), (1900, 11542), (1990, 11020), (2204, 9950), (2755, 7960), (2900, 7562), (3781, 5800), (3800, 5771), (3980, 5510), (4408, 4975)]