215404000

素因数分解:

$2^5\times 5^3\times 7^3\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 621129600

約数和(自身を除く): 405725600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 157, 160, 175, 196, 200, 224, 245, 250, 280, 314, 343, 350, 392, 400, 490, 500, 560, 628, 686, 700, 784, 785, 800, 875, 980, 1000, 1099, 1120, 1225, 1256, 1372, 1400, 1568, 1570, 1715, 1750, 1960, 2000, 2198, 2450, 2512, 2744, 2800, 3140, 3430, 3500, 3920, 3925, 4000, 4396, 4900, 5024, 5488, 5495, 5600, 6125, 6280, 6860, 7000, 7693, 7840, 7850, 8575, 8792, 9800, 10976, 10990, 12250, 12560, 13720, 14000, 15386, 15700, 17150, 17584, 19600, 19625, 21980, 24500, 25120, 27440, 27475, 28000, 30772, 31400, 34300, 35168, 38465, 39200, 39250, 42875, 43960, 49000, 53851, 54880, 54950, 61544, 62800, 68600, 76930, 78500, 85750, 87920, 98000, 107702, 109900, 123088, 125600, 137200, 137375, 153860, 157000, 171500, 175840, 192325, 196000, 215404, 219800, 246176, 269255, 274400, 274750, 307720, 314000, 343000, 384650, 430808, 439600, 538510, 549500, 615440, 628000, 686000, 769300, 861616, 879200, 961625, 1077020, 1099000, 1230880, 1346275, 1372000, 1538600, 1723232, 1923250, 2154040, 2198000, 2692550, 3077200, 3846500, 4308080, 4396000, 5385100, 6154400, 6731375, 7693000, 8616160, 10770200, 13462750, 15386000, 21540400, 26925500, 30772000, 43080800, 53851000, 107702000, 215404000]

約数ペア:

[(1, 215404000), (2, 107702000), (4, 53851000), (5, 43080800), (7, 30772000), (8, 26925500), (10, 21540400), (14, 15386000), (16, 13462750), (20, 10770200), (25, 8616160), (28, 7693000), (32, 6731375), (35, 6154400), (40, 5385100), (49, 4396000), (50, 4308080), (56, 3846500), (70, 3077200), (80, 2692550), (98, 2198000), (100, 2154040), (112, 1923250), (125, 1723232), (140, 1538600), (157, 1372000), (160, 1346275), (175, 1230880), (196, 1099000), (200, 1077020), (224, 961625), (245, 879200), (250, 861616), (280, 769300), (314, 686000), (343, 628000), (350, 615440), (392, 549500), (400, 538510), (490, 439600), (500, 430808), (560, 384650), (628, 343000), (686, 314000), (700, 307720), (784, 274750), (785, 274400), (800, 269255), (875, 246176), (980, 219800), (1000, 215404), (1099, 196000), (1120, 192325), (1225, 175840), (1256, 171500), (1372, 157000), (1400, 153860), (1568, 137375), (1570, 137200), (1715, 125600), (1750, 123088), (1960, 109900), (2000, 107702), (2198, 98000), (2450, 87920), (2512, 85750), (2744, 78500), (2800, 76930), (3140, 68600), (3430, 62800), (3500, 61544), (3920, 54950), (3925, 54880), (4000, 53851), (4396, 49000), (4900, 43960), (5024, 42875), (5488, 39250), (5495, 39200), (5600, 38465), (6125, 35168), (6280, 34300), (6860, 31400), (7000, 30772), (7693, 28000), (7840, 27475), (7850, 27440), (8575, 25120), (8792, 24500), (9800, 21980), (10976, 19625), (10990, 19600), (12250, 17584), (12560, 17150), (13720, 15700), (14000, 15386)]