208743040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 550800000

約数和(自身を除く): 342056960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 149, 160, 176, 199, 220, 298, 320, 352, 398, 440, 596, 640, 704, 745, 796, 880, 995, 1192, 1408, 1490, 1592, 1639, 1760, 1990, 2189, 2384, 2980, 3184, 3278, 3520, 3980, 4378, 4768, 5960, 6368, 6556, 7040, 7960, 8195, 8756, 9536, 10945, 11920, 12736, 13112, 15920, 16390, 17512, 19072, 21890, 23840, 25472, 26224, 29651, 31840, 32780, 35024, 43780, 47680, 52448, 59302, 63680, 65560, 70048, 87560, 95360, 104896, 118604, 127360, 131120, 140096, 148255, 175120, 209792, 237208, 262240, 280192, 296510, 326161, 350240, 474416, 524480, 593020, 652322, 700480, 948832, 1048960, 1186040, 1304644, 1400960, 1630805, 1897664, 2372080, 2609288, 3261610, 3795328, 4744160, 5218576, 6523220, 9488320, 10437152, 13046440, 18976640, 20874304, 26092880, 41748608, 52185760, 104371520, 208743040]

約数ペア:

[(1, 208743040), (2, 104371520), (4, 52185760), (5, 41748608), (8, 26092880), (10, 20874304), (11, 18976640), (16, 13046440), (20, 10437152), (22, 9488320), (32, 6523220), (40, 5218576), (44, 4744160), (55, 3795328), (64, 3261610), (80, 2609288), (88, 2372080), (110, 1897664), (128, 1630805), (149, 1400960), (160, 1304644), (176, 1186040), (199, 1048960), (220, 948832), (298, 700480), (320, 652322), (352, 593020), (398, 524480), (440, 474416), (596, 350240), (640, 326161), (704, 296510), (745, 280192), (796, 262240), (880, 237208), (995, 209792), (1192, 175120), (1408, 148255), (1490, 140096), (1592, 131120), (1639, 127360), (1760, 118604), (1990, 104896), (2189, 95360), (2384, 87560), (2980, 70048), (3184, 65560), (3278, 63680), (3520, 59302), (3980, 52448), (4378, 47680), (4768, 43780), (5960, 35024), (6368, 32780), (6556, 31840), (7040, 29651), (7960, 26224), (8195, 25472), (8756, 23840), (9536, 21890), (10945, 19072), (11920, 17512), (12736, 16390), (13112, 15920)]