25539990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 128

約数和(自身を含む): 76170240

約数和(自身を除く): 50630250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 37, 38, 42, 57, 70, 74, 95, 105, 111, 114, 133, 173, 185, 190, 210, 222, 259, 266, 285, 346, 370, 399, 518, 519, 555, 570, 665, 703, 777, 798, 865, 1038, 1110, 1211, 1295, 1330, 1406, 1554, 1730, 1995, 2109, 2422, 2590, 2595, 3287, 3515, 3633, 3885, 3990, 4218, 4921, 5190, 6055, 6401, 6574, 7030, 7266, 7770, 9842, 9861, 10545, 12110, 12802, 14763, 16435, 18165, 19203, 19722, 21090, 23009, 24605, 29526, 32005, 32870, 36330, 38406, 44807, 46018, 49210, 49305, 64010, 69027, 73815, 89614, 96015, 98610, 115045, 121619, 134421, 138054, 147630, 192030, 224035, 230090, 243238, 268842, 345135, 364857, 448070, 608095, 672105, 690270, 729714, 851333, 1216190, 1344210, 1702666, 1824285, 2553999, 3648570, 4256665, 5107998, 8513330, 12769995, 25539990]

約数ペア:

[(1, 25539990), (2, 12769995), (3, 8513330), (5, 5107998), (6, 4256665), (7, 3648570), (10, 2553999), (14, 1824285), (15, 1702666), (19, 1344210), (21, 1216190), (30, 851333), (35, 729714), (37, 690270), (38, 672105), (42, 608095), (57, 448070), (70, 364857), (74, 345135), (95, 268842), (105, 243238), (111, 230090), (114, 224035), (133, 192030), (173, 147630), (185, 138054), (190, 134421), (210, 121619), (222, 115045), (259, 98610), (266, 96015), (285, 89614), (346, 73815), (370, 69027), (399, 64010), (518, 49305), (519, 49210), (555, 46018), (570, 44807), (665, 38406), (703, 36330), (777, 32870), (798, 32005), (865, 29526), (1038, 24605), (1110, 23009), (1211, 21090), (1295, 19722), (1330, 19203), (1406, 18165), (1554, 16435), (1730, 14763), (1995, 12802), (2109, 12110), (2422, 10545), (2590, 9861), (2595, 9842), (3287, 7770), (3515, 7266), (3633, 7030), (3885, 6574), (3990, 6401), (4218, 6055), (4921, 5190)]