219940072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 471018240

約数和(自身を除く): 251078168

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 47, 82, 88, 94, 164, 188, 328, 376, 451, 517, 902, 1034, 1297, 1804, 1927, 2068, 2594, 3608, 3854, 4136, 5188, 7708, 10376, 14267, 15416, 21197, 28534, 42394, 53177, 57068, 60959, 84788, 106354, 114136, 121918, 169576, 212708, 243836, 425416, 487672, 584947, 670549, 1169894, 1341098, 2339788, 2499319, 2682196, 4679576, 4998638, 5364392, 9997276, 19994552, 27492509, 54985018, 109970036, 219940072]

約数ペア:

[(1, 219940072), (2, 109970036), (4, 54985018), (8, 27492509), (11, 19994552), (22, 9997276), (41, 5364392), (44, 4998638), (47, 4679576), (82, 2682196), (88, 2499319), (94, 2339788), (164, 1341098), (188, 1169894), (328, 670549), (376, 584947), (451, 487672), (517, 425416), (902, 243836), (1034, 212708), (1297, 169576), (1804, 121918), (1927, 114136), (2068, 106354), (2594, 84788), (3608, 60959), (3854, 57068), (4136, 53177), (5188, 42394), (7708, 28534), (10376, 21197), (14267, 15416)]