280801024

素因数分解:

$2^8\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 649893888

約数和(自身を除く): 369092864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 568, 896, 994, 1136, 1792, 1988, 2207, 2272, 3976, 4414, 4544, 7952, 8828, 9088, 15449, 15904, 17656, 18176, 30898, 31808, 35312, 61796, 63616, 70624, 123592, 127232, 141248, 156697, 247184, 282496, 313394, 494368, 564992, 626788, 988736, 1096879, 1253576, 1977472, 2193758, 2507152, 3954944, 4387516, 5014304, 8775032, 10028608, 17550064, 20057216, 35100128, 40114432, 70200256, 140400512, 280801024]

約数ペア:

[(1, 280801024), (2, 140400512), (4, 70200256), (7, 40114432), (8, 35100128), (14, 20057216), (16, 17550064), (28, 10028608), (32, 8775032), (56, 5014304), (64, 4387516), (71, 3954944), (112, 2507152), (128, 2193758), (142, 1977472), (224, 1253576), (256, 1096879), (284, 988736), (448, 626788), (497, 564992), (568, 494368), (896, 313394), (994, 282496), (1136, 247184), (1792, 156697), (1988, 141248), (2207, 127232), (2272, 123592), (3976, 70624), (4414, 63616), (4544, 61796), (7952, 35312), (8828, 31808), (9088, 30898), (15449, 18176), (15904, 17656)]