320942944

素因数分解:

$2^5\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1260

約数の個数: 72

約数和(自身を含む): 739458720

約数和(自身を除く): 418515776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 197, 224, 392, 394, 784, 788, 1039, 1379, 1568, 1576, 2078, 2758, 3152, 4156, 5516, 6304, 7273, 8312, 9653, 11032, 14546, 16624, 19306, 22064, 29092, 33248, 38612, 44128, 50911, 58184, 77224, 101822, 116368, 154448, 203644, 204683, 232736, 308896, 407288, 409366, 814576, 818732, 1432781, 1629152, 1637464, 2865562, 3274928, 5731124, 6549856, 10029467, 11462248, 20058934, 22924496, 40117868, 45848992, 80235736, 160471472, 320942944]

約数ペア:

[(1, 320942944), (2, 160471472), (4, 80235736), (7, 45848992), (8, 40117868), (14, 22924496), (16, 20058934), (28, 11462248), (32, 10029467), (49, 6549856), (56, 5731124), (98, 3274928), (112, 2865562), (196, 1637464), (197, 1629152), (224, 1432781), (392, 818732), (394, 814576), (784, 409366), (788, 407288), (1039, 308896), (1379, 232736), (1568, 204683), (1576, 203644), (2078, 154448), (2758, 116368), (3152, 101822), (4156, 77224), (5516, 58184), (6304, 50911), (7273, 44128), (8312, 38612), (9653, 33248), (11032, 29092), (14546, 22064), (16624, 19306)]