551330360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{281291}}^1$

素因数の和:281316

約数の個数: 48

約数和(自身を含む): 1443027960

約数和(自身を除く): 891697600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 281291, 562582, 1125164, 1406455, 1969037, 2250328, 2812910, 3938074, 5625820, 7876148, 9845185, 11251640, 13783259, 15752296, 19690370, 27566518, 39380740, 55133036, 68916295, 78761480, 110266072, 137832590, 275665180, 551330360]

約数ペア:

[(1, 551330360), (2, 275665180), (4, 137832590), (5, 110266072), (7, 78761480), (8, 68916295), (10, 55133036), (14, 39380740), (20, 27566518), (28, 19690370), (35, 15752296), (40, 13783259), (49, 11251640), (56, 9845185), (70, 7876148), (98, 5625820), (140, 3938074), (196, 2812910), (245, 2250328), (280, 1969037), (392, 1406455), (490, 1125164), (980, 562582), (1960, 281291)]