217070288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 458006400

約数和(自身を除く): 240936112

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 89, 113, 142, 152, 178, 226, 284, 304, 356, 452, 568, 712, 904, 1136, 1349, 1424, 1691, 1808, 2147, 2698, 3382, 4294, 5396, 6319, 6764, 8023, 8588, 10057, 10792, 12638, 13528, 16046, 17176, 20114, 21584, 25276, 27056, 32092, 34352, 40228, 50552, 64184, 80456, 101104, 120061, 128368, 152437, 160912, 191083, 240122, 304874, 382166, 480244, 609748, 714047, 764332, 960488, 1219496, 1428094, 1528664, 1920976, 2438992, 2856188, 3057328, 5712376, 11424752, 13566893, 27133786, 54267572, 108535144, 217070288]

約数ペア:

[(1, 217070288), (2, 108535144), (4, 54267572), (8, 27133786), (16, 13566893), (19, 11424752), (38, 5712376), (71, 3057328), (76, 2856188), (89, 2438992), (113, 1920976), (142, 1528664), (152, 1428094), (178, 1219496), (226, 960488), (284, 764332), (304, 714047), (356, 609748), (452, 480244), (568, 382166), (712, 304874), (904, 240122), (1136, 191083), (1349, 160912), (1424, 152437), (1691, 128368), (1808, 120061), (2147, 101104), (2698, 80456), (3382, 64184), (4294, 50552), (5396, 40228), (6319, 34352), (6764, 32092), (8023, 27056), (8588, 25276), (10057, 21584), (10792, 20114), (12638, 17176), (13528, 16046)]