390320896

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1567}}^1$

素因数の和:1729

約数の個数: 72

約数和(自身を含む): 897397760

約数和(自身を除く): 507076864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 896, 973, 1112, 1567, 1792, 1946, 2224, 3134, 3892, 4448, 6268, 7784, 8896, 10969, 12536, 15568, 17792, 21938, 25072, 31136, 35584, 43876, 50144, 62272, 87752, 100288, 124544, 175504, 200576, 217813, 249088, 351008, 401152, 435626, 702016, 871252, 1404032, 1524691, 1742504, 2808064, 3049382, 3485008, 6098764, 6970016, 12197528, 13940032, 24395056, 27880064, 48790112, 55760128, 97580224, 195160448, 390320896]

約数ペア:

[(1, 390320896), (2, 195160448), (4, 97580224), (7, 55760128), (8, 48790112), (14, 27880064), (16, 24395056), (28, 13940032), (32, 12197528), (56, 6970016), (64, 6098764), (112, 3485008), (128, 3049382), (139, 2808064), (224, 1742504), (256, 1524691), (278, 1404032), (448, 871252), (556, 702016), (896, 435626), (973, 401152), (1112, 351008), (1567, 249088), (1792, 217813), (1946, 200576), (2224, 175504), (3134, 124544), (3892, 100288), (4448, 87752), (6268, 62272), (7784, 50144), (8896, 43876), (10969, 35584), (12536, 31136), (15568, 25072), (17792, 21938)]