676820000

素因数分解:

$2^5\times 5^4\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 120

約数和(自身を含む): 1705966416

約数和(自身を除く): 1029146416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 125, 160, 172, 200, 215, 250, 344, 400, 430, 500, 625, 688, 787, 800, 860, 1000, 1075, 1250, 1376, 1574, 1720, 2000, 2150, 2500, 3148, 3440, 3935, 4000, 4300, 5000, 5375, 6296, 6880, 7870, 8600, 10000, 10750, 12592, 15740, 17200, 19675, 20000, 21500, 25184, 26875, 31480, 33841, 34400, 39350, 43000, 53750, 62960, 67682, 78700, 86000, 98375, 107500, 125920, 135364, 157400, 169205, 172000, 196750, 215000, 270728, 314800, 338410, 393500, 430000, 491875, 541456, 629600, 676820, 787000, 846025, 860000, 983750, 1082912, 1353640, 1574000, 1692050, 1967500, 2707280, 3148000, 3384100, 3935000, 4230125, 5414560, 6768200, 7870000, 8460250, 13536400, 15740000, 16920500, 21150625, 27072800, 33841000, 42301250, 67682000, 84602500, 135364000, 169205000, 338410000, 676820000]

約数ペア:

[(1, 676820000), (2, 338410000), (4, 169205000), (5, 135364000), (8, 84602500), (10, 67682000), (16, 42301250), (20, 33841000), (25, 27072800), (32, 21150625), (40, 16920500), (43, 15740000), (50, 13536400), (80, 8460250), (86, 7870000), (100, 6768200), (125, 5414560), (160, 4230125), (172, 3935000), (200, 3384100), (215, 3148000), (250, 2707280), (344, 1967500), (400, 1692050), (430, 1574000), (500, 1353640), (625, 1082912), (688, 983750), (787, 860000), (800, 846025), (860, 787000), (1000, 676820), (1075, 629600), (1250, 541456), (1376, 491875), (1574, 430000), (1720, 393500), (2000, 338410), (2150, 314800), (2500, 270728), (3148, 215000), (3440, 196750), (3935, 172000), (4000, 169205), (4300, 157400), (5000, 135364), (5375, 125920), (6296, 107500), (6880, 98375), (7870, 86000), (8600, 78700), (10000, 67682), (10750, 62960), (12592, 53750), (15740, 43000), (17200, 39350), (19675, 34400), (20000, 33841), (21500, 31480), (25184, 26875)]