205512056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 417312000

約数和(自身を除く): 211799944

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 137, 139, 142, 152, 274, 278, 284, 548, 556, 568, 1096, 1112, 1349, 2603, 2641, 2698, 5206, 5282, 5396, 9727, 9869, 10412, 10564, 10792, 19043, 19454, 19738, 20824, 21128, 38086, 38908, 39476, 76172, 77816, 78952, 152344, 184813, 187511, 361817, 369626, 375022, 723634, 739252, 750044, 1352053, 1447268, 1478504, 1500088, 2704106, 2894536, 5408212, 10816424, 25689007, 51378014, 102756028, 205512056]

約数ペア:

[(1, 205512056), (2, 102756028), (4, 51378014), (8, 25689007), (19, 10816424), (38, 5408212), (71, 2894536), (76, 2704106), (137, 1500088), (139, 1478504), (142, 1447268), (152, 1352053), (274, 750044), (278, 739252), (284, 723634), (548, 375022), (556, 369626), (568, 361817), (1096, 187511), (1112, 184813), (1349, 152344), (2603, 78952), (2641, 77816), (2698, 76172), (5206, 39476), (5282, 38908), (5396, 38086), (9727, 21128), (9869, 20824), (10412, 19738), (10564, 19454), (10792, 19043)]