28380072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:575

約数の個数: 128

約数和(自身を含む): 90547200

約数和(自身を除く): 62167128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 19, 21, 24, 28, 34, 38, 42, 51, 56, 57, 68, 76, 84, 102, 114, 119, 133, 136, 152, 168, 204, 228, 238, 266, 323, 357, 399, 408, 456, 476, 523, 532, 646, 714, 798, 952, 969, 1046, 1064, 1292, 1428, 1569, 1596, 1938, 2092, 2261, 2584, 2856, 3138, 3192, 3661, 3876, 4184, 4522, 6276, 6783, 7322, 7752, 8891, 9044, 9937, 10983, 12552, 13566, 14644, 17782, 18088, 19874, 21966, 26673, 27132, 29288, 29811, 35564, 39748, 43932, 53346, 54264, 59622, 62237, 69559, 71128, 79496, 87864, 106692, 119244, 124474, 139118, 168929, 186711, 208677, 213384, 238488, 248948, 278236, 337858, 373422, 417354, 497896, 506787, 556472, 675716, 746844, 834708, 1013574, 1182503, 1351432, 1493688, 1669416, 2027148, 2365006, 3547509, 4054296, 4730012, 7095018, 9460024, 14190036, 28380072]

約数ペア:

[(1, 28380072), (2, 14190036), (3, 9460024), (4, 7095018), (6, 4730012), (7, 4054296), (8, 3547509), (12, 2365006), (14, 2027148), (17, 1669416), (19, 1493688), (21, 1351432), (24, 1182503), (28, 1013574), (34, 834708), (38, 746844), (42, 675716), (51, 556472), (56, 506787), (57, 497896), (68, 417354), (76, 373422), (84, 337858), (102, 278236), (114, 248948), (119, 238488), (133, 213384), (136, 208677), (152, 186711), (168, 168929), (204, 139118), (228, 124474), (238, 119244), (266, 106692), (323, 87864), (357, 79496), (399, 71128), (408, 69559), (456, 62237), (476, 59622), (523, 54264), (532, 53346), (646, 43932), (714, 39748), (798, 35564), (952, 29811), (969, 29288), (1046, 27132), (1064, 26673), (1292, 21966), (1428, 19874), (1569, 18088), (1596, 17782), (1938, 14644), (2092, 13566), (2261, 12552), (2584, 10983), (2856, 9937), (3138, 9044), (3192, 8891), (3661, 7752), (3876, 7322), (4184, 6783), (4522, 6276)]