248441480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{887291}}^1$

素因数の和:887309

約数の個数: 32

約数和(自身を含む): 638850240

約数和(自身を除く): 390408760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 887291, 1774582, 3549164, 4436455, 6211037, 7098328, 8872910, 12422074, 17745820, 24844148, 31055185, 35491640, 49688296, 62110370, 124220740, 248441480]

約数ペア:

[(1, 248441480), (2, 124220740), (4, 62110370), (5, 49688296), (7, 35491640), (8, 31055185), (10, 24844148), (14, 17745820), (20, 12422074), (28, 8872910), (35, 7098328), (40, 6211037), (56, 4436455), (70, 3549164), (140, 1774582), (280, 887291)]