20151856130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{363949}}^1$

素因数の和:364083

約数の個数: 48

約数和(自身を含む): 42569047800

約数和(自身を除く): 22417191670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 113, 226, 245, 490, 565, 791, 1130, 1582, 3955, 5537, 7910, 11074, 27685, 55370, 363949, 727898, 1819745, 2547643, 3639490, 5095286, 12738215, 17833501, 25476430, 35667002, 41126237, 82252474, 89167505, 178335010, 205631185, 287883659, 411262370, 575767318, 1439418295, 2015185613, 2878836590, 4030371226, 10075928065, 20151856130]

約数ペア:

[(1, 20151856130), (2, 10075928065), (5, 4030371226), (7, 2878836590), (10, 2015185613), (14, 1439418295), (35, 575767318), (49, 411262370), (70, 287883659), (98, 205631185), (113, 178335010), (226, 89167505), (245, 82252474), (490, 41126237), (565, 35667002), (791, 25476430), (1130, 17833501), (1582, 12738215), (3955, 5095286), (5537, 3639490), (7910, 2547643), (11074, 1819745), (27685, 727898), (55370, 363949)]