398696000

素因数分解:

$2^6\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 224

約数和(自身を含む): 1080942720

約数和(自身を除く): 682246720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 43, 50, 61, 64, 76, 80, 86, 95, 100, 122, 125, 152, 160, 172, 190, 200, 215, 244, 250, 304, 305, 320, 344, 380, 400, 430, 475, 488, 500, 608, 610, 688, 760, 800, 817, 860, 950, 976, 1000, 1075, 1159, 1216, 1220, 1376, 1520, 1525, 1600, 1634, 1720, 1900, 1952, 2000, 2150, 2318, 2375, 2440, 2623, 2752, 3040, 3050, 3268, 3440, 3800, 3904, 4000, 4085, 4300, 4636, 4750, 4880, 5246, 5375, 5795, 6080, 6100, 6536, 6880, 7600, 7625, 8000, 8170, 8600, 9272, 9500, 9760, 10492, 10750, 11590, 12200, 13072, 13115, 13760, 15200, 15250, 16340, 17200, 18544, 19000, 19520, 20425, 20984, 21500, 23180, 24400, 26144, 26230, 28975, 30400, 30500, 32680, 34400, 37088, 38000, 40850, 41968, 43000, 46360, 48800, 49837, 52288, 52460, 57950, 61000, 65360, 65575, 68800, 74176, 76000, 81700, 83936, 86000, 92720, 97600, 99674, 102125, 104920, 115900, 122000, 130720, 131150, 144875, 152000, 163400, 167872, 172000, 185440, 199348, 204250, 209840, 231800, 244000, 249185, 261440, 262300, 289750, 326800, 327875, 344000, 370880, 398696, 408500, 419680, 463600, 488000, 498370, 524600, 579500, 653600, 655750, 797392, 817000, 839360, 927200, 996740, 1049200, 1159000, 1245925, 1307200, 1311500, 1594784, 1634000, 1854400, 1993480, 2098400, 2318000, 2491850, 2623000, 3189568, 3268000, 3986960, 4196800, 4636000, 4983700, 5246000, 6229625, 6536000, 7973920, 9272000, 9967400, 10492000, 12459250, 15947840, 19934800, 20984000, 24918500, 39869600, 49837000, 79739200, 99674000, 199348000, 398696000]

約数ペア:

[(1, 398696000), (2, 199348000), (4, 99674000), (5, 79739200), (8, 49837000), (10, 39869600), (16, 24918500), (19, 20984000), (20, 19934800), (25, 15947840), (32, 12459250), (38, 10492000), (40, 9967400), (43, 9272000), (50, 7973920), (61, 6536000), (64, 6229625), (76, 5246000), (80, 4983700), (86, 4636000), (95, 4196800), (100, 3986960), (122, 3268000), (125, 3189568), (152, 2623000), (160, 2491850), (172, 2318000), (190, 2098400), (200, 1993480), (215, 1854400), (244, 1634000), (250, 1594784), (304, 1311500), (305, 1307200), (320, 1245925), (344, 1159000), (380, 1049200), (400, 996740), (430, 927200), (475, 839360), (488, 817000), (500, 797392), (608, 655750), (610, 653600), (688, 579500), (760, 524600), (800, 498370), (817, 488000), (860, 463600), (950, 419680), (976, 408500), (1000, 398696), (1075, 370880), (1159, 344000), (1216, 327875), (1220, 326800), (1376, 289750), (1520, 262300), (1525, 261440), (1600, 249185), (1634, 244000), (1720, 231800), (1900, 209840), (1952, 204250), (2000, 199348), (2150, 185440), (2318, 172000), (2375, 167872), (2440, 163400), (2623, 152000), (2752, 144875), (3040, 131150), (3050, 130720), (3268, 122000), (3440, 115900), (3800, 104920), (3904, 102125), (4000, 99674), (4085, 97600), (4300, 92720), (4636, 86000), (4750, 83936), (4880, 81700), (5246, 76000), (5375, 74176), (5795, 68800), (6080, 65575), (6100, 65360), (6536, 61000), (6880, 57950), (7600, 52460), (7625, 52288), (8000, 49837), (8170, 48800), (8600, 46360), (9272, 43000), (9500, 41968), (9760, 40850), (10492, 38000), (10750, 37088), (11590, 34400), (12200, 32680), (13072, 30500), (13115, 30400), (13760, 28975), (15200, 26230), (15250, 26144), (16340, 24400), (17200, 23180), (18544, 21500), (19000, 20984), (19520, 20425)]