208880490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4027}}^1$

素因数の和:4076

約数の個数: 128

約数和(自身を含む): 649635840

約数和(自身を除く): 440755350

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2730, 3458, 3705, 3990, 4027, 5187, 7410, 8054, 8645, 10374, 12081, 17290, 20135, 24162, 25935, 28189, 40270, 51870, 52351, 56378, 60405, 76513, 84567, 104702, 120810, 140945, 153026, 157053, 169134, 229539, 261755, 281890, 314106, 366457, 382565, 422835, 459078, 523510, 535591, 732914, 765130, 785265, 845670, 994669, 1071182, 1099371, 1147695, 1570530, 1606773, 1832285, 1989338, 2198742, 2295390, 2677955, 2984007, 3213546, 3664570, 4973345, 5355910, 5496855, 5968014, 6962683, 8033865, 9946690, 10993710, 13925366, 14920035, 16067730, 20888049, 29840070, 34813415, 41776098, 69626830, 104440245, 208880490]

約数ペア:

[(1, 208880490), (2, 104440245), (3, 69626830), (5, 41776098), (6, 34813415), (7, 29840070), (10, 20888049), (13, 16067730), (14, 14920035), (15, 13925366), (19, 10993710), (21, 9946690), (26, 8033865), (30, 6962683), (35, 5968014), (38, 5496855), (39, 5355910), (42, 4973345), (57, 3664570), (65, 3213546), (70, 2984007), (78, 2677955), (91, 2295390), (95, 2198742), (105, 1989338), (114, 1832285), (130, 1606773), (133, 1570530), (182, 1147695), (190, 1099371), (195, 1071182), (210, 994669), (247, 845670), (266, 785265), (273, 765130), (285, 732914), (390, 535591), (399, 523510), (455, 459078), (494, 422835), (546, 382565), (570, 366457), (665, 314106), (741, 281890), (798, 261755), (910, 229539), (1235, 169134), (1330, 157053), (1365, 153026), (1482, 140945), (1729, 120810), (1995, 104702), (2470, 84567), (2730, 76513), (3458, 60405), (3705, 56378), (3990, 52351), (4027, 51870), (5187, 40270), (7410, 28189), (8054, 25935), (8645, 24162), (10374, 20135), (12081, 17290)]