320404336

素因数分解:

$2^4\times 7^2\times {\mathrm{349}}^1\times {\mathrm{1171}}^1$

素因数の和:1542

約数の個数: 60

約数和(自身を含む): 724823400

約数和(自身を除く): 404419064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 349, 392, 698, 784, 1171, 1396, 2342, 2443, 2792, 4684, 4886, 5584, 8197, 9368, 9772, 16394, 17101, 18736, 19544, 32788, 34202, 39088, 57379, 65576, 68404, 114758, 131152, 136808, 229516, 273616, 408679, 459032, 817358, 918064, 1634716, 2860753, 3269432, 5721506, 6538864, 11443012, 20025271, 22886024, 40050542, 45772048, 80101084, 160202168, 320404336]

約数ペア:

[(1, 320404336), (2, 160202168), (4, 80101084), (7, 45772048), (8, 40050542), (14, 22886024), (16, 20025271), (28, 11443012), (49, 6538864), (56, 5721506), (98, 3269432), (112, 2860753), (196, 1634716), (349, 918064), (392, 817358), (698, 459032), (784, 408679), (1171, 273616), (1396, 229516), (2342, 136808), (2443, 131152), (2792, 114758), (4684, 68404), (4886, 65576), (5584, 57379), (8197, 39088), (9368, 34202), (9772, 32788), (16394, 19544), (17101, 18736)]