2803500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 10221120

約数和(自身を除く): 7417620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 89, 90, 100, 105, 125, 126, 140, 150, 175, 178, 180, 210, 225, 250, 252, 267, 300, 315, 350, 356, 375, 420, 445, 450, 500, 525, 534, 623, 630, 700, 750, 801, 875, 890, 900, 1050, 1068, 1125, 1246, 1260, 1335, 1500, 1575, 1602, 1750, 1780, 1869, 2100, 2225, 2250, 2492, 2625, 2670, 3115, 3150, 3204, 3500, 3738, 4005, 4450, 4500, 5250, 5340, 5607, 6230, 6300, 6675, 7476, 7875, 8010, 8900, 9345, 10500, 11125, 11214, 12460, 13350, 15575, 15750, 16020, 18690, 20025, 22250, 22428, 26700, 28035, 31150, 31500, 33375, 37380, 40050, 44500, 46725, 56070, 62300, 66750, 77875, 80100, 93450, 100125, 112140, 133500, 140175, 155750, 186900, 200250, 233625, 280350, 311500, 400500, 467250, 560700, 700875, 934500, 1401750, 2803500]

約数ペア:

[(1, 2803500), (2, 1401750), (3, 934500), (4, 700875), (5, 560700), (6, 467250), (7, 400500), (9, 311500), (10, 280350), (12, 233625), (14, 200250), (15, 186900), (18, 155750), (20, 140175), (21, 133500), (25, 112140), (28, 100125), (30, 93450), (35, 80100), (36, 77875), (42, 66750), (45, 62300), (50, 56070), (60, 46725), (63, 44500), (70, 40050), (75, 37380), (84, 33375), (89, 31500), (90, 31150), (100, 28035), (105, 26700), (125, 22428), (126, 22250), (140, 20025), (150, 18690), (175, 16020), (178, 15750), (180, 15575), (210, 13350), (225, 12460), (250, 11214), (252, 11125), (267, 10500), (300, 9345), (315, 8900), (350, 8010), (356, 7875), (375, 7476), (420, 6675), (445, 6300), (450, 6230), (500, 5607), (525, 5340), (534, 5250), (623, 4500), (630, 4450), (700, 4005), (750, 3738), (801, 3500), (875, 3204), (890, 3150), (900, 3115), (1050, 2670), (1068, 2625), (1125, 2492), (1246, 2250), (1260, 2225), (1335, 2100), (1500, 1869), (1575, 1780), (1602, 1750)]