320480944

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{22531}}^1$

素因数の和:22673

約数の個数: 40

約数和(自身を含む): 715255808

約数和(自身を除く): 394774864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 22531, 45062, 90124, 157717, 180248, 315434, 360496, 630868, 1261736, 2523472, 2861437, 5722874, 11445748, 20030059, 22891496, 40060118, 45782992, 80120236, 160240472, 320480944]

約数ペア:

[(1, 320480944), (2, 160240472), (4, 80120236), (7, 45782992), (8, 40060118), (14, 22891496), (16, 20030059), (28, 11445748), (56, 5722874), (112, 2861437), (127, 2523472), (254, 1261736), (508, 630868), (889, 360496), (1016, 315434), (1778, 180248), (2032, 157717), (3556, 90124), (7112, 45062), (14224, 22531)]