28737512720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{112291}}^1$

素因数の和:112768

約数の個数: 80

約数和(自身を含む): 76527447168

約数和(自身を除く): 47789934448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 457, 560, 914, 1828, 2285, 3199, 3656, 4570, 6398, 7312, 9140, 12796, 15995, 18280, 25592, 31990, 36560, 51184, 63980, 112291, 127960, 224582, 255920, 449164, 561455, 786037, 898328, 1122910, 1572074, 1796656, 2245820, 3144148, 3930185, 4491640, 6288296, 7860370, 8983280, 12576592, 15720740, 31441480, 51316987, 62882960, 102633974, 205267948, 256584935, 359218909, 410535896, 513169870, 718437818, 821071792, 1026339740, 1436875636, 1796094545, 2052679480, 2873751272, 3592189090, 4105358960, 5747502544, 7184378180, 14368756360, 28737512720]

約数ペア:

[(1, 28737512720), (2, 14368756360), (4, 7184378180), (5, 5747502544), (7, 4105358960), (8, 3592189090), (10, 2873751272), (14, 2052679480), (16, 1796094545), (20, 1436875636), (28, 1026339740), (35, 821071792), (40, 718437818), (56, 513169870), (70, 410535896), (80, 359218909), (112, 256584935), (140, 205267948), (280, 102633974), (457, 62882960), (560, 51316987), (914, 31441480), (1828, 15720740), (2285, 12576592), (3199, 8983280), (3656, 7860370), (4570, 6288296), (6398, 4491640), (7312, 3930185), (9140, 3144148), (12796, 2245820), (15995, 1796656), (18280, 1572074), (25592, 1122910), (31990, 898328), (36560, 786037), (51184, 561455), (63980, 449164), (112291, 255920), (127960, 224582)]