205120504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 432172800

約数和(自身を除く): 227052296

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 163, 323, 326, 487, 646, 652, 974, 1292, 1304, 1948, 2584, 2771, 3097, 3896, 5542, 6194, 8279, 9253, 11084, 12388, 16558, 18506, 22168, 24776, 33116, 37012, 52649, 66232, 74024, 79381, 105298, 157301, 158762, 210596, 314602, 317524, 421192, 629204, 635048, 1258408, 1349477, 1508239, 2698954, 3016478, 5397908, 6032956, 10795816, 12065912, 25640063, 51280126, 102560252, 205120504]

約数ペア:

[(1, 205120504), (2, 102560252), (4, 51280126), (8, 25640063), (17, 12065912), (19, 10795816), (34, 6032956), (38, 5397908), (68, 3016478), (76, 2698954), (136, 1508239), (152, 1349477), (163, 1258408), (323, 635048), (326, 629204), (487, 421192), (646, 317524), (652, 314602), (974, 210596), (1292, 158762), (1304, 157301), (1948, 105298), (2584, 79381), (2771, 74024), (3097, 66232), (3896, 52649), (5542, 37012), (6194, 33116), (8279, 24776), (9253, 22168), (11084, 18506), (12388, 16558)]