215197500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{4099}}^1$

素因数の和:4133

約数の個数: 120

約数和(自身を含む): 717270400

約数和(自身を除く): 502072900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 420, 500, 525, 625, 700, 750, 875, 1050, 1250, 1500, 1750, 1875, 2100, 2500, 2625, 3500, 3750, 4099, 4375, 5250, 7500, 8198, 8750, 10500, 12297, 13125, 16396, 17500, 20495, 24594, 26250, 28693, 40990, 49188, 52500, 57386, 61485, 81980, 86079, 102475, 114772, 122970, 143465, 172158, 204950, 245940, 286930, 307425, 344316, 409900, 430395, 512375, 573860, 614850, 717325, 860790, 1024750, 1229700, 1434650, 1537125, 1721580, 2049500, 2151975, 2561875, 2869300, 3074250, 3586625, 4303950, 5123750, 6148500, 7173250, 7685625, 8607900, 10247500, 10759875, 14346500, 15371250, 17933125, 21519750, 30742500, 35866250, 43039500, 53799375, 71732500, 107598750, 215197500]

約数ペア:

[(1, 215197500), (2, 107598750), (3, 71732500), (4, 53799375), (5, 43039500), (6, 35866250), (7, 30742500), (10, 21519750), (12, 17933125), (14, 15371250), (15, 14346500), (20, 10759875), (21, 10247500), (25, 8607900), (28, 7685625), (30, 7173250), (35, 6148500), (42, 5123750), (50, 4303950), (60, 3586625), (70, 3074250), (75, 2869300), (84, 2561875), (100, 2151975), (105, 2049500), (125, 1721580), (140, 1537125), (150, 1434650), (175, 1229700), (210, 1024750), (250, 860790), (300, 717325), (350, 614850), (375, 573860), (420, 512375), (500, 430395), (525, 409900), (625, 344316), (700, 307425), (750, 286930), (875, 245940), (1050, 204950), (1250, 172158), (1500, 143465), (1750, 122970), (1875, 114772), (2100, 102475), (2500, 86079), (2625, 81980), (3500, 61485), (3750, 57386), (4099, 52500), (4375, 49188), (5250, 40990), (7500, 28693), (8198, 26250), (8750, 24594), (10500, 20495), (12297, 17500), (13125, 16396)]