489778905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 1035141120

約数和(自身を除く): 545362215

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 55, 69, 77, 103, 105, 115, 161, 165, 179, 231, 253, 309, 345, 385, 483, 515, 537, 721, 759, 805, 895, 1133, 1155, 1253, 1265, 1545, 1771, 1969, 2163, 2369, 2415, 2685, 3399, 3605, 3759, 3795, 4117, 5313, 5665, 5907, 6265, 7107, 7931, 8855, 9845, 10815, 11845, 12351, 13783, 16583, 16995, 18437, 18795, 20585, 23793, 26059, 26565, 28819, 29535, 35535, 39655, 41349, 45287, 49749, 55311, 61755, 68915, 78177, 82915, 86457, 92185, 118965, 129059, 130295, 135861, 144095, 182413, 202807, 206745, 226435, 248745, 276555, 317009, 387177, 390885, 424051, 432285, 547239, 608421, 645295, 679305, 912065, 951027, 1014035, 1272153, 1419649, 1585045, 1935885, 2120255, 2736195, 2968357, 3042105, 4258947, 4664561, 4755135, 6360765, 7098245, 8905071, 13993683, 14841785, 21294735, 23322805, 32651927, 44525355, 69968415, 97955781, 163259635, 489778905]

約数ペア:

[(1, 489778905), (3, 163259635), (5, 97955781), (7, 69968415), (11, 44525355), (15, 32651927), (21, 23322805), (23, 21294735), (33, 14841785), (35, 13993683), (55, 8905071), (69, 7098245), (77, 6360765), (103, 4755135), (105, 4664561), (115, 4258947), (161, 3042105), (165, 2968357), (179, 2736195), (231, 2120255), (253, 1935885), (309, 1585045), (345, 1419649), (385, 1272153), (483, 1014035), (515, 951027), (537, 912065), (721, 679305), (759, 645295), (805, 608421), (895, 547239), (1133, 432285), (1155, 424051), (1253, 390885), (1265, 387177), (1545, 317009), (1771, 276555), (1969, 248745), (2163, 226435), (2369, 206745), (2415, 202807), (2685, 182413), (3399, 144095), (3605, 135861), (3759, 130295), (3795, 129059), (4117, 118965), (5313, 92185), (5665, 86457), (5907, 82915), (6265, 78177), (7107, 68915), (7931, 61755), (8855, 55311), (9845, 49749), (10815, 45287), (11845, 41349), (12351, 39655), (13783, 35535), (16583, 29535), (16995, 28819), (18437, 26565), (18795, 26059), (20585, 23793)]