28301070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 84188160

約数和(自身を除く): 55887090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 41, 42, 57, 70, 82, 95, 105, 114, 123, 133, 173, 190, 205, 210, 246, 266, 285, 287, 346, 399, 410, 519, 570, 574, 615, 665, 779, 798, 861, 865, 1038, 1211, 1230, 1330, 1435, 1558, 1722, 1730, 1995, 2337, 2422, 2595, 2870, 3287, 3633, 3895, 3990, 4305, 4674, 5190, 5453, 6055, 6574, 7093, 7266, 7790, 8610, 9861, 10906, 11685, 12110, 14186, 16359, 16435, 18165, 19722, 21279, 23009, 23370, 27265, 32718, 32870, 35465, 36330, 42558, 46018, 49305, 49651, 54530, 69027, 70930, 81795, 98610, 99302, 106395, 115045, 134767, 138054, 148953, 163590, 212790, 230090, 248255, 269534, 297906, 345135, 404301, 496510, 673835, 690270, 744765, 808602, 943369, 1347670, 1489530, 1886738, 2021505, 2830107, 4043010, 4716845, 5660214, 9433690, 14150535, 28301070]

約数ペア:

[(1, 28301070), (2, 14150535), (3, 9433690), (5, 5660214), (6, 4716845), (7, 4043010), (10, 2830107), (14, 2021505), (15, 1886738), (19, 1489530), (21, 1347670), (30, 943369), (35, 808602), (38, 744765), (41, 690270), (42, 673835), (57, 496510), (70, 404301), (82, 345135), (95, 297906), (105, 269534), (114, 248255), (123, 230090), (133, 212790), (173, 163590), (190, 148953), (205, 138054), (210, 134767), (246, 115045), (266, 106395), (285, 99302), (287, 98610), (346, 81795), (399, 70930), (410, 69027), (519, 54530), (570, 49651), (574, 49305), (615, 46018), (665, 42558), (779, 36330), (798, 35465), (861, 32870), (865, 32718), (1038, 27265), (1211, 23370), (1230, 23009), (1330, 21279), (1435, 19722), (1558, 18165), (1722, 16435), (1730, 16359), (1995, 14186), (2337, 12110), (2422, 11685), (2595, 10906), (2870, 9861), (3287, 8610), (3633, 7790), (3895, 7266), (3990, 7093), (4305, 6574), (4674, 6055), (5190, 5453)]