209540176

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 436378320

約数和(自身を除く): 226838144

約数列:

[1, 2, 4, 8, 16, 37, 41, 74, 82, 89, 97, 148, 164, 178, 194, 296, 328, 356, 388, 592, 656, 712, 776, 1424, 1517, 1552, 3034, 3293, 3589, 3649, 3977, 6068, 6586, 7178, 7298, 7954, 8633, 12136, 13172, 14356, 14596, 15908, 17266, 24272, 26344, 28712, 29192, 31816, 34532, 52688, 57424, 58384, 63632, 69064, 135013, 138128, 147149, 270026, 294298, 319421, 353953, 540052, 588596, 638842, 707906, 1080104, 1177192, 1277684, 1415812, 2160208, 2354384, 2555368, 2831624, 5110736, 5663248, 13096261, 26192522, 52385044, 104770088, 209540176]

約数ペア:

[(1, 209540176), (2, 104770088), (4, 52385044), (8, 26192522), (16, 13096261), (37, 5663248), (41, 5110736), (74, 2831624), (82, 2555368), (89, 2354384), (97, 2160208), (148, 1415812), (164, 1277684), (178, 1177192), (194, 1080104), (296, 707906), (328, 638842), (356, 588596), (388, 540052), (592, 353953), (656, 319421), (712, 294298), (776, 270026), (1424, 147149), (1517, 138128), (1552, 135013), (3034, 69064), (3293, 63632), (3589, 58384), (3649, 57424), (3977, 52688), (6068, 34532), (6586, 31816), (7178, 29192), (7298, 28712), (7954, 26344), (8633, 24272), (12136, 17266), (13172, 15908), (14356, 14596)]