243968428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 502740000

約数和(自身を除く): 258771572

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 149, 187, 199, 242, 298, 374, 398, 484, 596, 748, 796, 1639, 2057, 2189, 2533, 3278, 3383, 4114, 4378, 5066, 6556, 6766, 8228, 8756, 10132, 13532, 18029, 24079, 27863, 29651, 36058, 37213, 48158, 55726, 59302, 72116, 74426, 96316, 111452, 118604, 148852, 306493, 326161, 409343, 504067, 612986, 652322, 818686, 1008134, 1225972, 1304644, 1637372, 2016268, 3587771, 5544737, 7175542, 11089474, 14351084, 22178948, 60992107, 121984214, 243968428]

約数ペア:

[(1, 243968428), (2, 121984214), (4, 60992107), (11, 22178948), (17, 14351084), (22, 11089474), (34, 7175542), (44, 5544737), (68, 3587771), (121, 2016268), (149, 1637372), (187, 1304644), (199, 1225972), (242, 1008134), (298, 818686), (374, 652322), (398, 612986), (484, 504067), (596, 409343), (748, 326161), (796, 306493), (1639, 148852), (2057, 118604), (2189, 111452), (2533, 96316), (3278, 74426), (3383, 72116), (4114, 59302), (4378, 55726), (5066, 48158), (6556, 37213), (6766, 36058), (8228, 29651), (8756, 27863), (10132, 24079), (13532, 18029)]