138601904

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 320812800

約数和(自身を除く): 182210896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 139, 203, 232, 278, 307, 406, 464, 556, 614, 812, 973, 1112, 1228, 1624, 1946, 2149, 2224, 2456, 3248, 3892, 4031, 4298, 4912, 7784, 8062, 8596, 8903, 15568, 16124, 17192, 17806, 28217, 32248, 34384, 35612, 42673, 56434, 62321, 64496, 71224, 85346, 112868, 124642, 142448, 170692, 225736, 249284, 298711, 341384, 451472, 498568, 597422, 682768, 997136, 1194844, 1237517, 2389688, 2475034, 4779376, 4950068, 8662619, 9900136, 17325238, 19800272, 34650476, 69300952, 138601904]

約数ペア:

[(1, 138601904), (2, 69300952), (4, 34650476), (7, 19800272), (8, 17325238), (14, 9900136), (16, 8662619), (28, 4950068), (29, 4779376), (56, 2475034), (58, 2389688), (112, 1237517), (116, 1194844), (139, 997136), (203, 682768), (232, 597422), (278, 498568), (307, 451472), (406, 341384), (464, 298711), (556, 249284), (614, 225736), (812, 170692), (973, 142448), (1112, 124642), (1228, 112868), (1624, 85346), (1946, 71224), (2149, 64496), (2224, 62321), (2456, 56434), (3248, 42673), (3892, 35612), (4031, 34384), (4298, 32248), (4912, 28217), (7784, 17806), (8062, 17192), (8596, 16124), (8903, 15568)]