140578984

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 353928960

約数和(自身を除く): 213349976

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 37, 52, 56, 68, 74, 91, 104, 119, 136, 148, 182, 221, 238, 259, 296, 307, 364, 442, 476, 481, 518, 614, 629, 728, 884, 952, 962, 1036, 1228, 1258, 1547, 1768, 1924, 2072, 2149, 2456, 2516, 3094, 3367, 3848, 3991, 4298, 4403, 5032, 5219, 6188, 6734, 7982, 8177, 8596, 8806, 10438, 11359, 12376, 13468, 15964, 16354, 17192, 17612, 20876, 22718, 26936, 27937, 31928, 32708, 35224, 36533, 41752, 45436, 55874, 57239, 65416, 67847, 73066, 79513, 90872, 111748, 114478, 135694, 146132, 147667, 159026, 193103, 223496, 228956, 271388, 292264, 295334, 318052, 386206, 457912, 474929, 542776, 590668, 636104, 772412, 949858, 1033669, 1181336, 1351721, 1544824, 1899716, 2067338, 2510339, 2703442, 3799432, 4134676, 5020678, 5406884, 8269352, 10041356, 10813768, 17572373, 20082712, 35144746, 70289492, 140578984]

約数ペア:

[(1, 140578984), (2, 70289492), (4, 35144746), (7, 20082712), (8, 17572373), (13, 10813768), (14, 10041356), (17, 8269352), (26, 5406884), (28, 5020678), (34, 4134676), (37, 3799432), (52, 2703442), (56, 2510339), (68, 2067338), (74, 1899716), (91, 1544824), (104, 1351721), (119, 1181336), (136, 1033669), (148, 949858), (182, 772412), (221, 636104), (238, 590668), (259, 542776), (296, 474929), (307, 457912), (364, 386206), (442, 318052), (476, 295334), (481, 292264), (518, 271388), (614, 228956), (629, 223496), (728, 193103), (884, 159026), (952, 147667), (962, 146132), (1036, 135694), (1228, 114478), (1258, 111748), (1547, 90872), (1768, 79513), (1924, 73066), (2072, 67847), (2149, 65416), (2456, 57239), (2516, 55874), (3094, 45436), (3367, 41752), (3848, 36533), (3991, 35224), (4298, 32708), (4403, 31928), (5032, 27937), (5219, 26936), (6188, 22718), (6734, 20876), (7982, 17612), (8177, 17192), (8596, 16354), (8806, 15964), (10438, 13468), (11359, 12376)]