490500000

素因数分解:

$2^5\times 3^2\times 5^6\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 252

約数和(自身を含む): 1759547790

約数和(自身を除く): 1269047790

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 109, 120, 125, 144, 150, 160, 180, 200, 218, 225, 240, 250, 288, 300, 327, 360, 375, 400, 436, 450, 480, 500, 545, 600, 625, 654, 720, 750, 800, 872, 900, 981, 1000, 1090, 1125, 1200, 1250, 1308, 1440, 1500, 1635, 1744, 1800, 1875, 1962, 2000, 2180, 2250, 2400, 2500, 2616, 2725, 3000, 3125, 3270, 3488, 3600, 3750, 3924, 4000, 4360, 4500, 4905, 5000, 5232, 5450, 5625, 6000, 6250, 6540, 7200, 7500, 7848, 8175, 8720, 9000, 9375, 9810, 10000, 10464, 10900, 11250, 12000, 12500, 13080, 13625, 15000, 15625, 15696, 16350, 17440, 18000, 18750, 19620, 20000, 21800, 22500, 24525, 25000, 26160, 27250, 28125, 30000, 31250, 31392, 32700, 36000, 37500, 39240, 40875, 43600, 45000, 46875, 49050, 50000, 52320, 54500, 56250, 60000, 62500, 65400, 68125, 75000, 78480, 81750, 87200, 90000, 93750, 98100, 100000, 109000, 112500, 122625, 125000, 130800, 136250, 140625, 150000, 156960, 163500, 180000, 187500, 196200, 204375, 218000, 225000, 245250, 250000, 261600, 272500, 281250, 300000, 327000, 340625, 375000, 392400, 408750, 436000, 450000, 490500, 500000, 545000, 562500, 613125, 654000, 681250, 750000, 784800, 817500, 900000, 981000, 1021875, 1090000, 1125000, 1226250, 1308000, 1362500, 1500000, 1635000, 1703125, 1962000, 2043750, 2180000, 2250000, 2452500, 2725000, 3065625, 3270000, 3406250, 3924000, 4087500, 4500000, 4905000, 5109375, 5450000, 6131250, 6540000, 6812500, 8175000, 9810000, 10218750, 10900000, 12262500, 13625000, 15328125, 16350000, 19620000, 20437500, 24525000, 27250000, 30656250, 32700000, 40875000, 49050000, 54500000, 61312500, 81750000, 98100000, 122625000, 163500000, 245250000, 490500000]

約数ペア:

[(1, 490500000), (2, 245250000), (3, 163500000), (4, 122625000), (5, 98100000), (6, 81750000), (8, 61312500), (9, 54500000), (10, 49050000), (12, 40875000), (15, 32700000), (16, 30656250), (18, 27250000), (20, 24525000), (24, 20437500), (25, 19620000), (30, 16350000), (32, 15328125), (36, 13625000), (40, 12262500), (45, 10900000), (48, 10218750), (50, 9810000), (60, 8175000), (72, 6812500), (75, 6540000), (80, 6131250), (90, 5450000), (96, 5109375), (100, 4905000), (109, 4500000), (120, 4087500), (125, 3924000), (144, 3406250), (150, 3270000), (160, 3065625), (180, 2725000), (200, 2452500), (218, 2250000), (225, 2180000), (240, 2043750), (250, 1962000), (288, 1703125), (300, 1635000), (327, 1500000), (360, 1362500), (375, 1308000), (400, 1226250), (436, 1125000), (450, 1090000), (480, 1021875), (500, 981000), (545, 900000), (600, 817500), (625, 784800), (654, 750000), (720, 681250), (750, 654000), (800, 613125), (872, 562500), (900, 545000), (981, 500000), (1000, 490500), (1090, 450000), (1125, 436000), (1200, 408750), (1250, 392400), (1308, 375000), (1440, 340625), (1500, 327000), (1635, 300000), (1744, 281250), (1800, 272500), (1875, 261600), (1962, 250000), (2000, 245250), (2180, 225000), (2250, 218000), (2400, 204375), (2500, 196200), (2616, 187500), (2725, 180000), (3000, 163500), (3125, 156960), (3270, 150000), (3488, 140625), (3600, 136250), (3750, 130800), (3924, 125000), (4000, 122625), (4360, 112500), (4500, 109000), (4905, 100000), (5000, 98100), (5232, 93750), (5450, 90000), (5625, 87200), (6000, 81750), (6250, 78480), (6540, 75000), (7200, 68125), (7500, 65400), (7848, 62500), (8175, 60000), (8720, 56250), (9000, 54500), (9375, 52320), (9810, 50000), (10000, 49050), (10464, 46875), (10900, 45000), (11250, 43600), (12000, 40875), (12500, 39240), (13080, 37500), (13625, 36000), (15000, 32700), (15625, 31392), (15696, 31250), (16350, 30000), (17440, 28125), (18000, 27250), (18750, 26160), (19620, 25000), (20000, 24525), (21800, 22500)]