281637440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{125731}}^1$

素因数の和:125755

約数の個数: 56

約数和(自身を含む): 766462272

約数和(自身を除く): 484824832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 125731, 251462, 502924, 628655, 880117, 1005848, 1257310, 1760234, 2011696, 2514620, 3520468, 4023392, 4400585, 5029240, 7040936, 8046784, 8801170, 10058480, 14081872, 17602340, 20116960, 28163744, 35204680, 40233920, 56327488, 70409360, 140818720, 281637440]

約数ペア:

[(1, 281637440), (2, 140818720), (4, 70409360), (5, 56327488), (7, 40233920), (8, 35204680), (10, 28163744), (14, 20116960), (16, 17602340), (20, 14081872), (28, 10058480), (32, 8801170), (35, 8046784), (40, 7040936), (56, 5029240), (64, 4400585), (70, 4023392), (80, 3520468), (112, 2514620), (140, 2011696), (160, 1760234), (224, 1257310), (280, 1005848), (320, 880117), (448, 628655), (560, 502924), (1120, 251462), (2240, 125731)]