204009200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 120

約数和(自身を含む): 520093200

約数和(自身を除く): 316084000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 43, 50, 58, 80, 86, 100, 116, 145, 172, 200, 215, 232, 290, 344, 400, 409, 430, 464, 580, 688, 725, 818, 860, 1075, 1160, 1247, 1450, 1636, 1720, 2045, 2150, 2320, 2494, 2900, 3272, 3440, 4090, 4300, 4988, 5800, 6235, 6544, 8180, 8600, 9976, 10225, 11600, 11861, 12470, 16360, 17200, 17587, 19952, 20450, 23722, 24940, 31175, 32720, 35174, 40900, 47444, 49880, 59305, 62350, 70348, 81800, 87935, 94888, 99760, 118610, 124700, 140696, 163600, 175870, 189776, 237220, 249400, 281392, 296525, 351740, 439675, 474440, 498800, 510023, 593050, 703480, 879350, 948880, 1020046, 1186100, 1406960, 1758700, 2040092, 2372200, 2550115, 3517400, 4080184, 4744400, 5100230, 7034800, 8160368, 10200460, 12750575, 20400920, 25501150, 40801840, 51002300, 102004600, 204009200]

約数ペア:

[(1, 204009200), (2, 102004600), (4, 51002300), (5, 40801840), (8, 25501150), (10, 20400920), (16, 12750575), (20, 10200460), (25, 8160368), (29, 7034800), (40, 5100230), (43, 4744400), (50, 4080184), (58, 3517400), (80, 2550115), (86, 2372200), (100, 2040092), (116, 1758700), (145, 1406960), (172, 1186100), (200, 1020046), (215, 948880), (232, 879350), (290, 703480), (344, 593050), (400, 510023), (409, 498800), (430, 474440), (464, 439675), (580, 351740), (688, 296525), (725, 281392), (818, 249400), (860, 237220), (1075, 189776), (1160, 175870), (1247, 163600), (1450, 140696), (1636, 124700), (1720, 118610), (2045, 99760), (2150, 94888), (2320, 87935), (2494, 81800), (2900, 70348), (3272, 62350), (3440, 59305), (4090, 49880), (4300, 47444), (4988, 40900), (5800, 35174), (6235, 32720), (6544, 31175), (8180, 24940), (8600, 23722), (9976, 20450), (10225, 19952), (11600, 17587), (11861, 17200), (12470, 16360)]