280784

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 40

約数和(自身を含む): 654720

約数和(自身を除く): 373936

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 109, 112, 161, 184, 218, 322, 368, 436, 644, 763, 872, 1288, 1526, 1744, 2507, 2576, 3052, 5014, 6104, 10028, 12208, 17549, 20056, 35098, 40112, 70196, 140392, 280784]

約数ペア:

[(1, 280784), (2, 140392), (4, 70196), (7, 40112), (8, 35098), (14, 20056), (16, 17549), (23, 12208), (28, 10028), (46, 6104), (56, 5014), (92, 3052), (109, 2576), (112, 2507), (161, 1744), (184, 1526), (218, 1288), (322, 872), (368, 763), (436, 644)]