280812496

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{39979}}^1$

素因数の和:40426

約数の個数: 20

約数和(自身を含む): 545327200

約数和(自身を除く): 264514704

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 39979, 79958, 159916, 319832, 639664, 17550781, 35101562, 70203124, 140406248, 280812496]

約数ペア:

[(1, 280812496), (2, 140406248), (4, 70203124), (8, 35101562), (16, 17550781), (439, 639664), (878, 319832), (1756, 159916), (3512, 79958), (7024, 39979)]