209529488

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 120

約数和(自身を含む): 508896000

約数和(自身を除く): 299366512

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 79, 98, 112, 119, 136, 158, 196, 199, 238, 272, 316, 392, 398, 476, 553, 632, 784, 796, 833, 952, 1106, 1264, 1343, 1393, 1592, 1666, 1904, 2212, 2686, 2786, 3184, 3332, 3383, 3871, 4424, 5372, 5572, 6664, 6766, 7742, 8848, 9401, 9751, 10744, 11144, 13328, 13532, 15484, 15721, 18802, 19502, 21488, 22288, 23681, 27064, 30968, 31442, 37604, 39004, 47362, 54128, 61936, 62884, 65807, 75208, 78008, 94724, 110047, 125768, 131614, 150416, 156016, 165767, 189448, 220094, 251536, 263228, 267257, 331534, 378896, 440188, 526456, 534514, 663068, 770329, 880376, 1052912, 1069028, 1326136, 1540658, 1760752, 1870799, 2138056, 2652272, 3081316, 3741598, 4276112, 6162632, 7483196, 12325264, 13095593, 14966392, 26191186, 29932784, 52382372, 104764744, 209529488]

約数ペア:

[(1, 209529488), (2, 104764744), (4, 52382372), (7, 29932784), (8, 26191186), (14, 14966392), (16, 13095593), (17, 12325264), (28, 7483196), (34, 6162632), (49, 4276112), (56, 3741598), (68, 3081316), (79, 2652272), (98, 2138056), (112, 1870799), (119, 1760752), (136, 1540658), (158, 1326136), (196, 1069028), (199, 1052912), (238, 880376), (272, 770329), (316, 663068), (392, 534514), (398, 526456), (476, 440188), (553, 378896), (632, 331534), (784, 267257), (796, 263228), (833, 251536), (952, 220094), (1106, 189448), (1264, 165767), (1343, 156016), (1393, 150416), (1592, 131614), (1666, 125768), (1904, 110047), (2212, 94724), (2686, 78008), (2786, 75208), (3184, 65807), (3332, 62884), (3383, 61936), (3871, 54128), (4424, 47362), (5372, 39004), (5572, 37604), (6664, 31442), (6766, 30968), (7742, 27064), (8848, 23681), (9401, 22288), (9751, 21488), (10744, 19502), (11144, 18802), (13328, 15721), (13532, 15484)]