217179900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{11491}}^1$

素因数の和:11521

約数の個数: 144

約数和(自身を含む): 798004480

約数和(自身を除く): 580824580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 11491, 18900, 22982, 34473, 45964, 57455, 68946, 80437, 103419, 114910, 137892, 160874, 172365, 206838, 229820, 241311, 287275, 310257, 321748, 344730, 402185, 413676, 482622, 517095, 574550, 620514, 689460, 723933, 804370, 861825, 965244, 1034190, 1149100, 1206555, 1241028, 1447866, 1551285, 1608740, 1723650, 2010925, 2068380, 2171799, 2413110, 2585475, 2895732, 3102570, 3447300, 3619665, 4021850, 4343598, 4826220, 5170950, 6032775, 6205140, 7239330, 7756425, 8043700, 8687196, 10341900, 10858995, 12065550, 14478660, 15512850, 18098325, 21717990, 24131100, 31025700, 36196650, 43435980, 54294975, 72393300, 108589950, 217179900]

約数ペア:

[(1, 217179900), (2, 108589950), (3, 72393300), (4, 54294975), (5, 43435980), (6, 36196650), (7, 31025700), (9, 24131100), (10, 21717990), (12, 18098325), (14, 15512850), (15, 14478660), (18, 12065550), (20, 10858995), (21, 10341900), (25, 8687196), (27, 8043700), (28, 7756425), (30, 7239330), (35, 6205140), (36, 6032775), (42, 5170950), (45, 4826220), (50, 4343598), (54, 4021850), (60, 3619665), (63, 3447300), (70, 3102570), (75, 2895732), (84, 2585475), (90, 2413110), (100, 2171799), (105, 2068380), (108, 2010925), (126, 1723650), (135, 1608740), (140, 1551285), (150, 1447866), (175, 1241028), (180, 1206555), (189, 1149100), (210, 1034190), (225, 965244), (252, 861825), (270, 804370), (300, 723933), (315, 689460), (350, 620514), (378, 574550), (420, 517095), (450, 482622), (525, 413676), (540, 402185), (630, 344730), (675, 321748), (700, 310257), (756, 287275), (900, 241311), (945, 229820), (1050, 206838), (1260, 172365), (1350, 160874), (1575, 137892), (1890, 114910), (2100, 103419), (2700, 80437), (3150, 68946), (3780, 57455), (4725, 45964), (6300, 34473), (9450, 22982), (11491, 18900)]