400334480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:593

約数の個数: 160

約数和(自身を含む): 1157259264

約数和(自身を除く): 756924784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 127, 130, 140, 182, 208, 254, 260, 280, 364, 433, 455, 508, 520, 560, 635, 728, 866, 889, 910, 1016, 1040, 1270, 1456, 1651, 1732, 1778, 1820, 2032, 2165, 2540, 3031, 3302, 3464, 3556, 3640, 4330, 4445, 5080, 5629, 6062, 6604, 6928, 7112, 7280, 8255, 8660, 8890, 10160, 11258, 11557, 12124, 13208, 14224, 15155, 16510, 17320, 17780, 22516, 23114, 24248, 26416, 28145, 30310, 33020, 34640, 35560, 39403, 45032, 46228, 48496, 54991, 56290, 57785, 60620, 66040, 71120, 78806, 90064, 92456, 109982, 112580, 115570, 121240, 132080, 157612, 184912, 197015, 219964, 225160, 231140, 242480, 274955, 315224, 384937, 394030, 439928, 450320, 462280, 549910, 630448, 714883, 769874, 788060, 879856, 924560, 1099820, 1429766, 1539748, 1576120, 1924685, 2199640, 2859532, 3079496, 3152240, 3574415, 3849370, 4399280, 5004181, 5719064, 6158992, 7148830, 7698740, 10008362, 11438128, 14297660, 15397480, 20016724, 25020905, 28595320, 30794960, 40033448, 50041810, 57190640, 80066896, 100083620, 200167240, 400334480]

約数ペア:

[(1, 400334480), (2, 200167240), (4, 100083620), (5, 80066896), (7, 57190640), (8, 50041810), (10, 40033448), (13, 30794960), (14, 28595320), (16, 25020905), (20, 20016724), (26, 15397480), (28, 14297660), (35, 11438128), (40, 10008362), (52, 7698740), (56, 7148830), (65, 6158992), (70, 5719064), (80, 5004181), (91, 4399280), (104, 3849370), (112, 3574415), (127, 3152240), (130, 3079496), (140, 2859532), (182, 2199640), (208, 1924685), (254, 1576120), (260, 1539748), (280, 1429766), (364, 1099820), (433, 924560), (455, 879856), (508, 788060), (520, 769874), (560, 714883), (635, 630448), (728, 549910), (866, 462280), (889, 450320), (910, 439928), (1016, 394030), (1040, 384937), (1270, 315224), (1456, 274955), (1651, 242480), (1732, 231140), (1778, 225160), (1820, 219964), (2032, 197015), (2165, 184912), (2540, 157612), (3031, 132080), (3302, 121240), (3464, 115570), (3556, 112580), (3640, 109982), (4330, 92456), (4445, 90064), (5080, 78806), (5629, 71120), (6062, 66040), (6604, 60620), (6928, 57785), (7112, 56290), (7280, 54991), (8255, 48496), (8660, 46228), (8890, 45032), (10160, 39403), (11258, 35560), (11557, 34640), (12124, 33020), (13208, 30310), (14224, 28145), (15155, 26416), (16510, 24248), (17320, 23114), (17780, 22516)]