209211100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6359}}^1$

素因数の和:6427

約数の個数: 72

約数和(自身を含む): 529966080

約数和(自身を除く): 320754980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 94, 100, 140, 175, 188, 235, 329, 350, 470, 658, 700, 940, 1175, 1316, 1645, 2350, 3290, 4700, 6359, 6580, 8225, 12718, 16450, 25436, 31795, 32900, 44513, 63590, 89026, 127180, 158975, 178052, 222565, 298873, 317950, 445130, 597746, 635900, 890260, 1112825, 1195492, 1494365, 2092111, 2225650, 2988730, 4184222, 4451300, 5977460, 7471825, 8368444, 10460555, 14943650, 20921110, 29887300, 41842220, 52302775, 104605550, 209211100]

約数ペア:

[(1, 209211100), (2, 104605550), (4, 52302775), (5, 41842220), (7, 29887300), (10, 20921110), (14, 14943650), (20, 10460555), (25, 8368444), (28, 7471825), (35, 5977460), (47, 4451300), (50, 4184222), (70, 2988730), (94, 2225650), (100, 2092111), (140, 1494365), (175, 1195492), (188, 1112825), (235, 890260), (329, 635900), (350, 597746), (470, 445130), (658, 317950), (700, 298873), (940, 222565), (1175, 178052), (1316, 158975), (1645, 127180), (2350, 89026), (3290, 63590), (4700, 44513), (6359, 32900), (6580, 31795), (8225, 25436), (12718, 16450)]