20150730740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{531121}}^1$

素因数の和:531408

約数の個数: 48

約数和(自身を含む): 48540301824

約数和(自身を除く): 28389571084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2710, 3794, 5420, 7588, 9485, 18970, 37940, 531121, 1062242, 2124484, 2655605, 3717847, 5311210, 7435694, 10622420, 14871388, 18589235, 37178470, 74356940, 143933791, 287867582, 575735164, 719668955, 1007536537, 1439337910, 2015073074, 2878675820, 4030146148, 5037682685, 10075365370, 20150730740]

約数ペア:

[(1, 20150730740), (2, 10075365370), (4, 5037682685), (5, 4030146148), (7, 2878675820), (10, 2015073074), (14, 1439337910), (20, 1007536537), (28, 719668955), (35, 575735164), (70, 287867582), (140, 143933791), (271, 74356940), (542, 37178470), (1084, 18589235), (1355, 14871388), (1897, 10622420), (2710, 7435694), (3794, 5311210), (5420, 3717847), (7588, 2655605), (9485, 2124484), (18970, 1062242), (37940, 531121)]