205121700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{10853}}^1$

素因数の和:10883

約数の個数: 144

約数和(自身を含む): 753701760

約数和(自身を除く): 548580060

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, 10853, 18900, 21706, 32559, 43412, 54265, 65118, 75971, 97677, 108530, 130236, 151942, 162795, 195354, 217060, 227913, 271325, 293031, 303884, 325590, 379855, 390708, 455826, 488385, 542650, 586062, 651180, 683739, 759710, 813975, 911652, 976770, 1085300, 1139565, 1172124, 1367478, 1465155, 1519420, 1627950, 1899275, 1953540, 2051217, 2279130, 2441925, 2734956, 2930310, 3255900, 3418695, 3798550, 4102434, 4558260, 4883850, 5697825, 5860620, 6837390, 7325775, 7597100, 8204868, 9767700, 10256085, 11395650, 13674780, 14651550, 17093475, 20512170, 22791300, 29303100, 34186950, 41024340, 51280425, 68373900, 102560850, 205121700]

約数ペア:

[(1, 205121700), (2, 102560850), (3, 68373900), (4, 51280425), (5, 41024340), (6, 34186950), (7, 29303100), (9, 22791300), (10, 20512170), (12, 17093475), (14, 14651550), (15, 13674780), (18, 11395650), (20, 10256085), (21, 9767700), (25, 8204868), (27, 7597100), (28, 7325775), (30, 6837390), (35, 5860620), (36, 5697825), (42, 4883850), (45, 4558260), (50, 4102434), (54, 3798550), (60, 3418695), (63, 3255900), (70, 2930310), (75, 2734956), (84, 2441925), (90, 2279130), (100, 2051217), (105, 1953540), (108, 1899275), (126, 1627950), (135, 1519420), (140, 1465155), (150, 1367478), (175, 1172124), (180, 1139565), (189, 1085300), (210, 976770), (225, 911652), (252, 813975), (270, 759710), (300, 683739), (315, 651180), (350, 586062), (378, 542650), (420, 488385), (450, 455826), (525, 390708), (540, 379855), (630, 325590), (675, 303884), (700, 293031), (756, 271325), (900, 227913), (945, 217060), (1050, 195354), (1260, 162795), (1350, 151942), (1575, 130236), (1890, 108530), (2100, 97677), (2700, 75971), (3150, 65118), (3780, 54265), (4725, 43412), (6300, 32559), (9450, 21706), (10853, 18900)]