218897200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 551075840

約数和(自身を除く): 332178640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 127, 139, 155, 200, 248, 254, 278, 310, 400, 496, 508, 556, 620, 635, 695, 775, 1016, 1112, 1240, 1270, 1390, 1550, 2032, 2224, 2480, 2540, 2780, 3100, 3175, 3475, 3937, 4309, 5080, 5560, 6200, 6350, 6950, 7874, 8618, 10160, 11120, 12400, 12700, 13900, 15748, 17236, 17653, 19685, 21545, 25400, 27800, 31496, 34472, 35306, 39370, 43090, 50800, 55600, 62992, 68944, 70612, 78740, 86180, 88265, 98425, 107725, 141224, 157480, 172360, 176530, 196850, 215450, 282448, 314960, 344720, 353060, 393700, 430900, 441325, 547243, 706120, 787400, 861800, 882650, 1094486, 1412240, 1574800, 1723600, 1765300, 2188972, 2736215, 3530600, 4377944, 5472430, 7061200, 8755888, 10944860, 13681075, 21889720, 27362150, 43779440, 54724300, 109448600, 218897200]

約数ペア:

[(1, 218897200), (2, 109448600), (4, 54724300), (5, 43779440), (8, 27362150), (10, 21889720), (16, 13681075), (20, 10944860), (25, 8755888), (31, 7061200), (40, 5472430), (50, 4377944), (62, 3530600), (80, 2736215), (100, 2188972), (124, 1765300), (127, 1723600), (139, 1574800), (155, 1412240), (200, 1094486), (248, 882650), (254, 861800), (278, 787400), (310, 706120), (400, 547243), (496, 441325), (508, 430900), (556, 393700), (620, 353060), (635, 344720), (695, 314960), (775, 282448), (1016, 215450), (1112, 196850), (1240, 176530), (1270, 172360), (1390, 157480), (1550, 141224), (2032, 107725), (2224, 98425), (2480, 88265), (2540, 86180), (2780, 78740), (3100, 70612), (3175, 68944), (3475, 62992), (3937, 55600), (4309, 50800), (5080, 43090), (5560, 39370), (6200, 35306), (6350, 34472), (6950, 31496), (7874, 27800), (8618, 25400), (10160, 21545), (11120, 19685), (12400, 17653), (12700, 17236), (13900, 15748)]